1. Mapping perceptions of species’ threats and population trends to inform conservation efforts: the Bornean orangutan case study;Abram;Divers. Distrib.,2015
2. Preventing the extinction of the Sumatran rhinoceros;Ahmad;J. Indon. Nat. Hist.,2013
3. Conservation of the Sumatran rhinoceros in Sabah, Malaysia;Andau;Rimba Indones.,1987
4. Andau, P.M., Payne, J., 1982. The plight of the Sumatran rhinoceros in Sabah. Report Presented at the 8th Malaysia Forestry Conference, Sandakan-Sabah., pp. 1–13.
5. Conservation in the state of Sarawak, Malaysia;Anderson,1968