Aktivitas pair bonding pada famili hylobatidae di Bandung Zoological Garden, Bandung, Jawa Barat = Pair bonding activities in the hylobatidae family at Bandung Zoological Garden, Bandung, West Java

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

Pengamatan perilaku pasangan owa jawa (Hylobates moloch) dalam proses reintroduksi di hutan lindung Malabar Jawa Barat = Behavior of reintroduced javan gibbon (Hylobates moloch) in Malabar protection forest West Java

Pengamatan perilaku pasangan Owa (Jawa Hylobates) moloch di Pusat Penyelamatan dan Rehabilitasi Owa Jawa (Javan Gibbon) Center Taman Nasional Gunung Gede Pangrango (TNGGP) = Behavioral observation of Javan Gibbon in (Javan Gibbon) rescue and rehabilitation center Gede Pangrango National Park

Studi Interaksi Antarberuang Madu (Helarctos malayanus) di Kandang Peraga Kebun Binatang Gembira Loka, Yogyakarta = The Study of Sun Bear Interaction (Helarctos malayanus) in an Enclosure at Gembira Loka Zoo, Yogyakarta