Akhli RA. THE RAPID CHANGES OF THE U.S. FOREIGN MILITARY ASSISTANCE TO UKRAINE IN 2019: A NEOCLASSICAL REALISM PERSPECTIVE. Jurnal Pertahanan [Internet]. 2020 Aug. 11 [cited 2026 Aug. 5];6(2):174-89. Available from: http://jurnal.idu.ac.id/index.php/DefenseJournal/article/view/789