NILAS., SURYOBROTOB., and WIDAYATIK. A. “Dietary Variation of Long Tailed Macaques (Macaca Fascicularis) in Telaga Warna, Bogor, West Java”. HAYATI Journal of Biosciences, Vol. 21, no. 1, Mar. 2014, p. 8, doi:10.4308/hjb.21.1.8.