KOESMOYO PONCO AJI. KEHILANGAN KEWARGANEGARAAN REPUBLIK INDONESIA (STUDI KASUS KETERLIBATAN WARGA NEGARA INDONESIA SEBAGAI TENTARA ASING DALAM KONFLIK RUSIA-UKRAINA): LOSS OF REPUBLIC OF INDONESIA CITIZENSHIP (A CASE STUDY ON THE INVOLVEMENT OF INDONESIAN CITIZENS AS FOREIGN SOLDIERS IN THE RUSSIA-UKRAINE CONFLICT). Journal of Law and Border Protection, [S. l.], v. 8, n. 1, p. 37–57, 2026. DOI: 10.52617/jlbp.v8i1.930. Disponível em: https://journal.poltekim.ac.id/jlbp/article/view/930. Acesso em: 4 oct. 2026.