Nopiansyah, Fifin, Sambas Basuni, Yohanes Purwanto, and Nandi Kosmaryandi. “Forest Resource Utilization by the Siberut Community and Its Implications for the Siberut Island Biosphere Reserve Policy”. Jurnal Manajemen Hutan Tropika 22, no. 2 (October 3, 2016): 94. Accessed March 27, 2023. https://jurnal.ipb.ac.id/index.php/jmht/article/view/13465.