Flynn, R.W.; Tajuddin Abdullah, M. 1984.Distribution and status of the Sumatran rhinoceros in Peninsular Malaysia.Biological Conservation 28: 253-273, figs. 1-3.
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Flynn, R.W.; Tajuddin Abdullah, M. 1983.Distribution and number of Sumatran rhinoceros in the Endau Rompin region of peninsular Malaysia.Malayan Nature Journal 36 (4): 219-247, figs. 1-7, tables 1-8.
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Tajuddin Abdullah, M. 1982.Sumatran rhinoceros in Endau-Rompin and future.Journal of Wildlife and Parks (Malaysia) 1: 19-21.