Liza Niningsih. “ESTIMASI POPULASI ORANGUTAN DI AREAL REKLAMASI PERTAMBANGAN BATUBARA DI KUTAI TIMUR, KALIMANTAN TIMUR”. Jurnal Saintifik (Multi Science Journal) 20, no. 3 (April 4, 2023): 243 -. Accessed June 6, 2026. https://www.jurnal.faperta-unras.ac.id.bengkuluinstitute.com/index.php/JS/article/view/133.