“KAJIAN PEMANFAATAN POTENSI KULONG DI KABUPATEN BANGKA TENGAH”. FROPIL (Forum Profesional Teknik Sipil) 7, no. 2 (December 11, 2019): 85–99. Accessed April 13, 2026. https://www.journal.ubb.ac.id/index.php/fropil/article/view/1626.