PrayogoH., ThohariA. M., SolihinD. D., PrasetyoL. B., and SugardjitoJ., “Habitat Suitability Modeling of Bornean Orangutan (Pongo pygmaeus pygmaeus) in Betung Kerihun National Park, Danau Sentarum and Corridor, West Kalimantan”, J Man Hut Trop, vol. 20, no. 2, pp. 112-120, Sep. 2014.