Siswomartono, D., S. Reddy, W. Ramono, J. Manansang, R Tilson, N. Franklin, and T.J. Foose. 1996. “The Sumatran Rhino in Way Kambas National Park, Sumatra, Indonesia”. Pachyderm 21 (1):13-14. https://doi.org/10.69649/pachyderm.v21i1.836.