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

Pola kopulasi siamang (Hylobates (Symphalangus) Syndactylus) di Pusat Primata Schmutzer Ragunan, Jakarta

Studi Perilaku Sosial dan Seksual Banteng Jawa (Bos javanicus javanicus d'Alton, 1823) di Taman Margasatwa Ragunan, Jakarta Selatan = Study of Social and Sexual Behavior of Javan Banteng (Bos javanicus javanicus d'Alton, 1823) in Taman Margasatwa Ragunan, South Jakarta

Perilaku Reproduksi dan Interaksi Banteng Jawa (Bos javanicus javanicus d’Alton, 1832) Jantan dan Betina di Taman Margasatwa Ragunan, Jakarta Selatan = Reproductive Behavior and Interaction of Male and Female Javan Banteng (Bos javanicus javanicus d'Alton, 1832) in Taman Margasatwa Ragunan, South Jakarta

Pengaruh kelembaban, suhu, dan intensitas bulan terhadap aktivitas travelling kukang jawa (nycticebus javanicus), E. Geoffroy, 1812 di Talun Desa Cipaganti, Garut = The effect of humidity, temperature, and moonlight intensity on traveling activities javan slow loris (nycticebus javanicus) E.Geoffroy, 1812 at Talun Desa Cipaganti, Garut