Suparjo, Herijanto Thamrin, Sri Jimy Kustini, F. V. Astrolabe Sian Prasetya, Rukmi, and Iswinanto Denis. “Vegetation Analysis on the Upper Mahakam River Border”. Buletin Poltanesa 24, no. 1 (June 25, 2023): 91–99. Accessed September 8, 2024. https://e-journal.politanisamarinda.ac.id/index.php/tanesa/article/view/2264.