Arif S. DEVELOPMENT OF 1 ST ENGINEER BATTALION OF MARINE CORPS PERSONNEL IN ORDER TO FOLLOW THE UNITED NATIONS MISSIONS PEACEKEEPING OPERATIONS. SPL [Internet]. 2022 Jun. 14 [cited 2024 Nov. 26];8(1):46-73. Available from: https://jurnalprodi.idu.ac.id/index.php/SPL/article/view/1041