Musfira, Musfira, and Joko Purcahyono. “STRATEGI PENGELOLAAN SAMPAH DI DISTRIK YAPEN SELATAN KABUPATEN KEPULAUAN YAPEN”. Jurnal PORTAL SIPIL 12, no. 1 (July 10, 2023): 12-20. Accessed April 29, 2026. https://ojs.ustj.ac.id/sipil/article/view/1237.