Alam, M. M., M. F. Jaman, M. M. Hasan, M. M. Rahman, S. M. I. Alam, and U. H. Khatun. “Social Interactions of Hanuman Langur (Semnopithecus Entellus) at Keshabpur and Manirampur of Jessore District of Bangladesh”. Bangladesh Journal of Zoology, vol. 42, no. 2, May 2015, pp. 217-25, doi:10.3329/bjz.v42i2.23364.