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Sim C.H., . Biology of Sphenarches anisodactyla on cowpea Vigna sinensis. pp. 7-8. ISSN 0127-0192
Sim C.H., . Comparative studies on the field efficacy of several insect growth regulators against Plutella xylostella (L.). pp. 139-142. ISSN 0127-6883
Ooi P.A.C., . and Sim C.H., . and Tay E.B., . Status of the arctiid moth introduced to control siam weed Chromolaena odorata in Sabah Malaysia. pp. 298-304. ISSN 0126-575X
Sim C.H., . (2003) Putrajaya Wetlands - data performance and modelling. [Proceedings Paper]
Sim C.H., . (2002) A field guide to the fish of Tasek Bera Ramsar site Pahang Malaysia. Wetlands International-Malaysia Programme, Selangor Malaysia. ISBN 983-40960-0-3