Ramadhan Adirasa Sundara, MustariA. H., DarusmanH. S., and SawitriH. H. I., “Behavior of Sumatran Lorises (Nycticebus coucang) in the Captive, Primate Research Center-IPB University”, Ina. J. Prim, vol. 2, no. 02, pp. 76-84, Mar. 2024.