Keberadaan Barrier Fisik pada Keluarga Owa Kelawat (Hylobates muelleri Martin, 1841) di Gembira Loka Zoo, Yogyakarta = The Presence of Physical Barriers in a Family of Muller's Gibbon (Hylobates muelleri Martin, 1841) at Gembira Loka Zoo, Yogyakarta

Aktivitas Pair Bonding pada Owa Ungko (Hylobates agilis) di Pusat Primata Schmutzer, Taman Margasatwa Ragunan = Pair Bonding Activity on Agile Gibbon (Hylobates agilis) at the Schmutzer Primate Center, Ragunan Wildlife Park

Edward Gibbon

Studi Perilaku Harian dan Interaksi Sosial Lutung Budeng (Trachypithecus auratus Geoffroy, 1812) di Pusat Primata Schmutzer, Taman Margasatwa Ragunan, Jakarta = Study of Daily Behavior and Social Interaction of the Javan Langur (Trachypithecus auratus Geoffroy, 1812) at the Schmutzer Primate Centre, 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