| The changing nature of customary international law: methods of interpreting the concept of custom in international criminal tribunals N Arajärvi Routledge, 2014 | 44 | 2014 |
| The Rule of Law in the 2030 Agenda N Arajärvi The Hague Journal on the Rule of Law 10 (1), 187-217, 2018 | 37 | 2018 |
| Between Lex Lata and Lex Ferenda-Customary International (Criminal) law and the Principle of Legality N Arajarvi Tilburg L. Rev. 15, 163, 2010 | 17 | 2010 |
| Looking back from nowhere: is there a future for universal jurisdiction over international Crimes? N Arajärvi Tilburg Law Review 16 (1), 5-29, 2011 | 15 | 2011 |
| The Requisite Rigour in the Identification of Customary International Law: A Look at the Reports of the Special Rapporteur of the International Law Commission N Arajärvi International Community Law Review 19 (1), 9-46, 2017 | 13 | 2017 |
| The International Criminal Court D Jacobs, N Arajärvi The Law and Practice of International Courts and Tribunals 7 (1), 115-160, 2008 | 13 | 2008 |
| The core requirements of the international rule of law in the practice of states N Arajärvi Hague Journal on the Rule of Law 13 (1), 173-193, 2021 | 8 | 2021 |
| Including Cities in the 2030 Agenda - A Review of the Post-2015 Process N Arajärvi The Globalization of Urban Governance, 2018 | 7 | 2018 |
| The Role of the International Criminal Judge in the Formation of Customary International Law N Arajärvi European journal of legal studies 1 (2), 2007 | 7 | 2007 |
| 'From the "Demands of Humanity': The Formulation of Opinio Juris in Decisions of International Criminal Tribunals and the Need for a Renewed Emphasis on State Practice N Arajärvi Reexamining Customary International Law, 189-229, 2016 | 5 | 2016 |
| The changing nature of customary international law: methods of interpreting the concept of custom in international criminal tribunals NJ Arajärvi | 5 | 2011 |
| From State-Centricism to Where?: The Formation of (Customary) International Law and Non-State Actors N Arajärvi The Formation of (Customary) International Law and Non-State Actors (May 3 …, 2010 | 5 | 2010 |
| The theory, practice and interpretation of customary international law P Merkouris, J Kammerhofer, N Arajärvi, N Mileva Cambridge University Press, 2022 | 4 | 2022 |
| The Lines Begin to Blur? Opinio Juris and the Moralisation of Customary International Law N Arajärvi Opinio Juris and the Moralisation of Customary International Law (March 2011), 2011 | 4 | 2011 |
| The UK Military in Iraq: Efforts and Prospect for Accountability for International Crimes Allegations? C Ferstman, TO Hansen, N Arajärvi Available at SSRN 3272347, 2018 | 3 | 2018 |
| The Role of the International Criminal Judge in the Formation of Customary International Law N Arajarvi Eur. J. Legal Stud. 1, 90, 2007 | 3 | 2007 |
| The Requisite Rigour in the Identification of Customary International Law’(2017) N Arajärvi International Community Law Review 19, 9, 0 | 3 | |
| The UK military in Iraq: efforts and prospect for accountability for international crimes allegations? A discussion paper C Ferstman, T Obel Hansen, N Arajärvi University of Essex Human Rights Centre, 2018 | 1 | 2018 |
| The International Criminal Court N Arajärvi, D Jacobs The Law & Practice of International Courts and Tribunals 7 (1), 115-160, 2008 | 1 | 2008 |
| Cultural Expertise and International Human Rights Law N Arajärvi “In this unique and original volume the authors face realistically the roles …, 2023 | | 2023 |
