Agil, M.; Supriatna, I.; Purwantara, B.; Candra, D. 2008.Assessment of fertility status in the male Sumatran rhino in the Sumateran Rhino Sanctuary, Way Kambas National Park, Lampung.Hayati: Journal of Biosciences 2008 (March): 39-44.
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Agil, M.; Candra, D.; Purwantara, B.; Supriatna, I. 2006.Monitoring follicle size with ultrasound as an important tool to determine a proper time for mating in the Sumatran rhinoceros Dicerorhinus sumatrensis (Fischer 1814) in the Sumatran Rhino Sanctuary (SRS), Way Kambas National Park, Lampung.Proceedings AZWMP 2006 (Chulalongkam University, Bangkok, Thailand, 26-29 October 2006): p. 30, figs. 1-4.
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Agil, M.; Supriatna, I.; Purwantara, B. 2004.Semen collection in the Sumatran rhino (Dicerorhinus sumatrensis, Fischer 1814) for breeding attempt to sustain biodiversity.Proceedings of the 5th International Symposium on Physiology, Behaviour and Conservation of Wildlife, Berlin 1: 20.
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Supriatna, I.; Purwantara, B.; Chaniago, T. 2003.Preservasi sperma dan evaluasi kesuburan Badak Sumatera (Dicerorhinus Sumatrensis, Fischer 1814) Untuk. Mendukung Pengembangbiakan Dalam Upaya Pelestarian keanekaragaman hayati.Proceedings: p.1.