Proses Kemandiran Orangutan Betina di Stasiun Penelitian Tuanan, Kalimantan Tengah = Development to independence of female orangutans (pongo pygmaeus wurmbii, tiedemann 1808) at the research station Tuanan, Central Kalimantan

Peran seruan panjang (long call) orangutan jantan berpipi dalam organisasi sosial orangutan Sumatera (pongo abelii) di stasiun penelitian ketambe, Taman Nasional Gunung Leuser, Aceh Tenggara = The roles of flanged male s long call in the social organization of the sumatran orangutan pongo abelii in ketambe research station gunung leuser national park Southeast Aceh

Orangutan tersayang

Ekologi orang utan sumatera (pongo abelii lesson, 1827) di hutan primer dan hutan bekas tebangan, stasiun penelitian ketambe, Taman Nasional Gunung Leuser, Aceh Tenggara, Sumatera = The ecology of sumatran orangutan (pongo abelii lesson, 1827) in logged and unlogged forest, ketambe research station, Gunung Leuser National Park, Southeast Aceh, Sumatra

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