Ünüvar, Güneş, Transformation of International Investment Law and Its Principles: Indirect Expropriation and Fair and Equitable Treatment, European Yearbook of International Economic Law Series, Cham, 2025.

Ünüvar, Güneş, Ulusararası Yatırım Hukuku Anlaşmaları ve Tahkim Uygulamalarının Evrimi: Dolaylı Kamulaştırma ile Adil ve Hakkaniyetli Muamele (International Investment Agreements and the Evolution of Arbitral Practice: Indirect Expropriation and Fair and Equitable Treatment, Turkish), 2024.

Ünüvar, Güneş, Ulusararası Yatırım Hukuku Anlaşmaları ve Tahkim Uygulamalarının Evrimi, 1. Auflage, Ankara, 2020.

Ünüvar, Güneş, “Is There Space for Everyone? Younger Generations and Multi-Stakeholder Engagement in International Space Law and Policy”, in: Pulsar Blog, Alpha Persei, 6 July 2023.
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Ünüvar, Güneş, ‘Nothing is agreed until everything is agreed’: The Code of Conduct and Reflections on the 44th Session of the UNCITRAL Working Group III”, in: Investment Treaty News, International Institute for Sustainable Development, 2 April 2023.
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Ünüvar, Güneş, “Can National Laws on Space Resources Serve as Evidence of Customary International Law?”, in: Opinio Juris, 8 November 2022.
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Küçüksu, Aysel/Ünüvar, Güneş, “From Protection to Governance of Foreign Investment: Vulnerability Theory as a Paradigm Shift in International Investment Law”, in: EJIL: Talk!, 27 December 2019.
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Ünüvar, Güneş, “Reforming Investor-State Dispute Settlement: Reflections on the UNCITRAL Working Group III and Beyond”, in: Turkish Law Blog, 9 May 2019.
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• Ünüvar, Güneş, United Nations Commission on International Trade Law, in: Nadakavukaren Schefer/Cottier (eds.), Elgar Encyclopedia of International Economic Law, 2nd edition, Cheltenham, 2025.
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• Ünüvar, Güneş,Review of Charalampos Giannakopoulos. Manifestations of Coherence and Investor-State Arbitration, in: European Journal of International Law, Vol. 36, Issue 1, 2025.
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• Ünüvar, Güneş/Su, Xueji, International Legal Governance of Space Resources and the Role of National Frameworks: The Case of China, in: Chinese Journal of International Law, Vol. 23 no. 3, pp. 499-545.
• Ünüvar, Güneş/Küçüksu, Aysel, Vulnerability Theory as a Paradigm Shift in International Investment Law: Reimagining the Role of the State, in: Business and Human Rights Law, Vol. 8, Issue 3, S. 309 ff.
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• Ünüvar, Güneş, A Tale of Policy Carve-outs and General Exceptions: Eco Oro v. Colombia as a Case Study, in: Journal of International Dispute Settlement, Vol. 14, no. 4, pp. 517-533.
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• Ünüvar, Güneş, Investment Court Judges and the ‘Right to an Independent Tribunal’: An Assessment of the Qualification and Ethics Rules in EU FTAs in light of Opinion 1/17, in: European Papers, Vol. 6, Issue 1, pp. 757-777.
• Ünüvar, Güneş, Experts: Investment Arbitration, in: Max Planck Encyclopedia of International Procedural Law.
• Howse, Robert/Ünüvar, Güneş, “Sowing the Seeds of an ISDS Legitimacy Crisis? The Notorious First Wave of NAFTA Chapter 11 Awards”, in: Ruiz Fabri/Stoppioni (eds.), International Investment Law: An Analysis of Major Decisions – Studies in International Trade and Investment Law, Bloomsbury, 2022,  pp. 99 – 118.
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• Ünüvar, Güneş, “The Vague Meaning of Fair and Equitable Treatment Principle in Investment Arbitration and New Generation Clarifications”, in: Kjaer/Lam (Eds.), Language and Legal Interpretation in International Law. Oxford, 2022,  pp. 271 – 292.
  Deutsch-Europäisches-Juridicium: Allg.0306-33
• Ünüvar, Güneş, Is CETA the Promised Breakthrough? Interpretation and Evolution of Fair and Equitable Treatment and (Indirect) Expropriation Provisions, in: Andenas/Pantaleo/Happold/Contartese (Hrsg.), EU External Action in International Economic Law - Recent Trends and Developments, 1. Auflage, The Hague, 2020, S. 193 ff.
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• Ünüvar, Güneş, The "Object and Purpose" and Incrementalism in EU Investment Treaties: Can International Investment Law Reinvent Its Identity?, in: University of Copehagen Faculty of Law Legal Studies Research Paper Series, paper no. 2020-91.
• Ünüvar, Güneş/Küçüksu, Aysel, From Protection to Governance of Foreign Investment: Vulnerability Theory as a Paradigm Shift in International Investment Law, in: EJIL: Talk! Europeam Journal of International Law Blog, 27. Dezember 2019.
• Ünüvar, Güneş/Lam, Joanna, Transparency and Participatory Aspects of Investor-State Dispute Settlement in the EU "New Wave" Trade Agreements, in: Leiden Journal of International Law, Vol. 32, Issue 4, S. 781 ff.
  Europa-Institut: Z 3-3-6
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• Ünüvar, Güneş, Is CETA the Promised Breakthrough? Interpretation and Evolution of Fair and Equitable Treatment and (Indirect) Expropriation Provisions, in: iCourts Working Papers Series No. 97, 2017.
• Ünüvar, Güneş/Giødesen Thystrup, Amalie, A Waiver for Europe? CETA's Trade in Services and Investment Protection Provisions and their Legal-Political Implications on Regulatory Competence, in: Adinolfi/Baetens/Caiado/Lupone/Micara, (Hrsg.), Internaitonal Economic Law: Contemporary Issues, Cham, 2017, S. 41 ff.
  Europa-Institut: BB 1-1-128
• Ünüvar, Güneş, The Vague Meaning of Fair and Equitable Treatment Principle in Investment Arbitration and New Generation Clarfications, in: iCourts Working Paper Series No. 55, 2016.
• Ünüvar, Güneş/Sauvant, Karl P., Can Host Countries Have Legitimate Expectations? in: Colombia FDI Perspectives No. 183, 2016.
• Ünüvar, Güneş/Hoffmeister, Frank, From BITS and Pieces towards European Investment Agreements, in: Bungenberg/Reinisch/Tietje (Hrsg.), EU and Investment Agreements: Open Questions and Remaining Challenges, 1. Auflage, Baden-Baden, 2013, S. 57 ff.
  Europa-Institut: EQ 3-2-2
• Ünüvar, Güneş, Dispute Settlement Alternatives in Futures EU BITS: Building the Framework for Investment Protection, in: IES Working Paper Series, No. 1/2012.
• Ovacik, Gamze/Sert, Ayse/Ünüvar, Güneş, (2011) “Türkiye’nin Taraf Olduğu Yatırımların Karşılıklı Korunması ve Teşviki Anlaşmaları”, in: Ergün/Çakmak, M. (eds.), Bilateral Investment Treaties of Turkey Ankara, 2011.

Ünüvar, Güneş/Lam, Joanna/Dothan, Shai, Permanent Investment Courts: A European Experiment, European Yearbook of International Economic Law - Special Issue, Cham, 2020.
Europa-Institut: AV 3-25

Ünüvar, Güneş, Article 8.38 – Non-Disputing Party, in: Bungenberg/Reinisch (Eds.), CETA Investment Law – An Article-by-Article Commentary, Baden-Baden/Oxford, 2022.
Europa-Institut: BB 30-2-227
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Ünüvar, Güneş, The European Space Act: Internal Harmonisation and External Influence”, in: EJIL: Talk!, 1 July 2025.
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Ünüvar, Güneş, “Does International Space Law Permit the Prioritisation of Scientific Resource Activities in Outer Space?”, in: Opinio Juris, 30 June 2025.
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Ünüvar, Güneş, “Luxembourg needs a space law and policy institute”, in: Luxembourg Times, 12 June 2025.
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Ünüvar, Güneş, “Space Data as ‘Investment` in International Investment Law”, in: Völkerrechtsblog, 12 June 2025.
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Ünüvar, Güneş,“Teaching Space Law to Younger Generations”, in: Pulsar Blog, 20 May 2024.
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Ünüvar, Güneş, “Meaningful Consensus or Delaying Disagreements? UNCITRAL Working Group III and the Advisory Centre on International Dispute Resolution”, in: Kluwer Arbitration Blog, 19 May 2024.
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Ünüvar, Güneş,“The Mandate Conundrum: Reflections on the 46th Session of the UNCITRAL Working Group III on ISDS Reform”, in: EJIL: Talk!, 21 November 2023.
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Ünüvar, Güneş, Transformation of International Investment Law and Its Principles: Indirect Expropriation and Fair and Equitable Treatment, European Yearbook of International Economic Law Series, Cham, 2025.

Ünüvar, Güneş/Becker, M/Bower, A/Freistein, K, Responsibility in Space (Routledge, forthcoming, 2025-2026).

Ünüvar, Güneş/Ayman, R./Hofmann, M., Who Leads the Way in the New Era of Space? The New Actors in International Space Law (Hart Publishing, forthcoming, 2025-2026).

Ünüvar, Güneş/Lam, J., International Investment Law and Environmental Protection (Cambridge University Press, under contract as of 17 July 2024, forthcoming, 2025).

Ünüvar, Güneş, The Shores of the Cosmic Ocean: Regulating Outer Space as ‘Environment’, Transnational Environmental Law (Cambridge University Press, forthcoming, 2026).

Ünüvar, Güneş, Space Law, in: Elgar Encyclopedia of European Law (Edward Elgar, forthcoming, 2026).

Ünüvar, Güneş, Third Party, in: Max Planck Encyclopedia of International Procedural Law (Oxford University Press, forthcoming, 2026).

Ünüvar, Güneş, UNCITRAL Working Group III and ISDS Reform, in: Elgar Encyclopedia of International Economic Law (Edward Elgar, forthcoming, 2025).

Ünüvar, Güneş/Ghillemyn, H.L., “Decentralized Autonomous Organizations (DAOs) and tokenization in the new space age: A viable alternative to financing space activities?”, in: R. Ayman, M. Hofmann and G. Ünüvar (Eds.), The New Actors in International Space Law: Who Leads the Way in the New Space Era? (Hart Bloomsbury, in contract, forthcoming, 2026).

 Ünüvar, Güneş/Bower, A./Gonzalez Munoz, R./Haramia, C., “Introduction: Responsibility in Space”, in: M. Becker, A. Bower, K. Freistein, R. Munoz, G. Ünüvar, M. Zein Al-Din (eds), Responsibility in Space (Routledge, forthcoming, 2026).

Ünüvar, Güneş/Lam, J., “International Investment Law and Environmental Protection: Challenges and Prospects”, in: J. Lam and G. Ünüvar (Eds.), International Investment Law and Environmental Protection (CUP, forthcoming, 2026).

Ünüvar, Güneş, “National Space Legislation of Luxembourg”, in: National Space Laws in Europe and Asia (Konrad Adenauer Stiftung, forthcoming, 2025).