Vinata R, Ibnu Asqori Pohan. The Significance of State Practises in Enforcing the Principle of Effectiveness in Claims of Territorial Ownership. Justitia [Internet]. 2023 Nov. 1 [cited 2024 Jul. 22];7(2). Available from: https://journal.um-surabaya.ac.id/Justitia/article/view/20410