Pola Pengasuhan Induk Betina Owa Ungko (Hylobates agilis F. Cuvier 1821) tanpa Keberadaan Jantan di Taman Satwa Taru Jurug Surakarta, Jawa Tengah = Maternal Care of Agile Gibbon (Hylobates agilis F. Cuvier 1821) without the Existence of Male in Taman Satwa Taru Jurug Surakarta, Central Java

Distribusi Owa Kalimantan (Hylobates albibarbis, Lyon 1911) di Wilayah Selatan Kawasan Restorasi Gambut, Katingan Mentaya Project, Kalimantan Tengah = Distribution of Bornean White-Bearded Gibbon (Hylobates albibarbis, Lyon 1911) in the Southern Area of Peatland Restoration, Katingan Mentaya Project, Central Kalimantan

Studi Perilaku Owa Kelawat (Hylobates muelleri Martin, 1941) terhadap Suara Vokalisasi Owa-Owa Sekitar di Pusat Primata Schmutzer, Taman Margasatwa Ragunan, Jakarta = Study on Gibbon (Hylobates muelleri, Martin 1941) Behavior on the Vocalization of Surrounding Gibbons at Schmutzer Primate Center, Taman Margasatwa Ragunan, Jakarta

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

Aktivitas seksual pasangan Macaca hecki Matschie 1901 (DIGE) Di Pusat Primata Schmutzer, Taman Margasatwa Ragunan, Jakarta