Pengasuhan anak pada keluarga macaca hecki matschie, 1901 di Taman Margasatwa Ragunan, Jakarta = Parenting of macaca hecki Matschie, 1901 Family at Taman Margasatwa Ragunan, Jakarta

Strategi adaptasi Macaca Nigra (Desmarest 1822) melalui perilaku makan di pusat primata schmutzer Taman Margasatwa Ragunan Jakarta = Adaptation strategies of macaca nigra (desmarest 1822) through eating behavior in schmutzer primate center Ragunan zoo Jakarta

Studi Pola Perilaku Pengasuhan Anak (Parental Care) pada Lutung Perak (Trachypithecus cristatus Raffles, 1821) di Pusat Primata Schmutzer, Taman Margasatwa Ragunan = Study of Parental Care Patterns in Silver Langurs (Trachypithecus cristatus Raffles, 1821) at the Schmutzer Primate Center, Ragunan Wildlife Park

Perilaku pengasuhan induk betina dan jantan terhadap anak Bekantan Nasalis larvatus (van Wurmb,1787) di Taman Safari Bogor, Jawa Barat = Parenting behavior of female and male parent toward child proboscis Monkey Nasalis larvatus (van Wurmb, 1787) in Taman Safari Bogor, West Java

Perilaku Reproduksi Tahap Pre-Copulatory pada Gajah Sumatra (Elephas maximus sumatranus, Temminck 1847) Jantan Adolescence di Taman Margasatwa Ragunan = Pre-Copulatory Reproductive Behaviour of Adolescence Male Sumatran Elephant (Elephas maximus sumatranus, Temminck 1847) at Taman Margasatwa Ragunan