Atmoko, Tri, et al. “Populasi Dan Sebaran Bekantan (Nasalis Larvatus) Di Delta Berau”. Jurnal Penelitian Kehutanan Wallacea, vol. 10, no. 1, Mar. 2021, pp. 11-23, doi:10.18330/jwallacea.2021.vol10iss1pp11-23.