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 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

Perilaku Sosial dan Reproduksi Anoa Dataran Rendah (Bubalus depressicornis Smith, 1827) Jantan di Taman Margasatwa Ragunan, Jakarta Selatan = Social and Reproductive Behavior of Male Lowland Anoa (Bubalus depressicornis Smith, 1827) in Taman Margasatwa Ragunan, South Jakarta

Perilaku Sosial Harimau Sumatra (Panthera tigris sumatrae, Pocock, 1929) pada Kandang Tidur di Taman Margasatwa Ragunan, Jakarta Selatan = Social Behaviour of Sumatran Tiger (Panthera tigris sumatrae, Pocock, 1929) in Sleeping Cage at Taman Margasatwa Ragunan, South Jakarta

Perilaku harian individu dan perilaku sosial populasi gajah sumatra (elephas maximus sumatranus) di Taman Margasatwa Ragunan, Jakarta = Daily behaviours of individuals and social behaviour of sumatran elephant population (elephas maximus sumatranus) at Taman Margasatwa Ragunan, Jakarta