Simamora, Yehezkiel Hasiholan. “Effective Efforts in Resolving International Disputes: A Review of the Principles of International Law in the Case of the Ligitan and Sipadan Island Disputes”. International Law Discourse in Southeast Asia 2, no. 2 (July 31, 2023): 305-332. Accessed July 2, 2024. https://journal.unnes.ac.id/sju/ildisea/article/view/77133.