Tajuddin Abdullah, M.; Lakim, M.; Rahman, M.A. 1999. Notes on large mammals of Bario, Sarawak. Asean Review of Biodiversity and Environmental Conservation 1999 September-October: 1-2.
Tajuddin Abdullah, M.; Lakim, M.; Rahman, M.A. 1998. Notes on large mammals of Bario, Sarawak. In: Ismail, G. & Laily bin Din, A scientific hourney through Borneo. Bario, the Kelabit highlands of Sarawak (Sarawak, Pelanduk Publications). pp. 221-222.






