Ahsan, M Farid, and MA Reza Khan. “Eco-Ethology of the Common Langur <i>Semnopithecus entellus</I> (Dufresne) in Bangladesh”. University Journal of Zoology, Rajshahi University 25 (August 8, 2007): 3–10. Accessed June 30, 2024. https://banglajol.info/index.php/UJZRU/article/view/317.