Putri, Regina Natasya, Maiser Syaputra, and Khairil Anwar. “Demographic Parameters and Growth Projection of Spangled Ebony Langur Population (Trachypithecus Auratus) in the Kerandangan Natural Tourism Park Protection Block Through a System Dynamics Approach”. Jurnal Biologi Tropis 25, no. 3 (August 22, 2025): 4560–4569. Accessed August 25, 2025. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/9845.