Ling, L. E., M. Ariffin, and L. Abd Manaf. “Threats to the Conservation of Asian Elephants: A Review Study”. Journal of Governance and Development (JGD), vol. 12, no. 1, June 2016, pp. 123-39, https://e-journal.uum.edu.my/index.php/jgd/article/view/13405.