Marta, Dwi Jati. “Disaster Prevention Through Environmental Management and Developing Biodiversity Conservation Areas (Case Study in the Upang River, Bangka Belitung Islands Province)”. Jurnal Pertahanan: Media Informasi tentang Kajian dan Strategi Pertahanan yang Mengedepankan Identity, Nasionalism dan Integrity 10, no. 1 (April 30, 2024): 188–200. Accessed August 5, 2026. http://jurnal.idu.ac.id/index.php/DefenseJournal/article/view/19480.