Pengaruh Pengunjung terhadap Perilaku Gajah Sumatra (Elephas maximus sumatranus Temminck, 1847) di Kebun Binatang Gembira Loka, Yogyakarta = The Effect of Visitors on Sumatran Elephant Behaviour (Elephas maximus sumatranus Temminck, 1847) at Gembira Loka Zoo, Yogyakarta

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

Pola Perilaku Pengasuhan Orangutan Kalimantan (Pongo pygmaeus Linnaeus, 1760) di Kebun Binatang Gembira Loka, Yogyakarta = Parenting Behavior Patterns of Bornean Orangutans (Pongo pygmaeus Linnaeus, 1760) at Gembira Loka Zoo, Yogyakarta

Conflict, negotiation, and coexistence: rethinking human-elephant relations in South Asia

Perilaku Harian Dan Interaksi Betina Terhadap Jantan Owa Kelawat (Hylobates Muelleri Martin, 1941) Pada Kandang Terpisah Di Kebun Binatang Gembira Loka, Yogyakarta = Daily Behavior And Interactions Of Female Towards Male Kelawat Gibbons (Hylobates Muelleri Martin, 1941) In Separate Cages At Gembira Loka Zoo, Yogyakarta