Proceedings of the 3rd International Conference on Plant Protection in the Tropics: volume III, Malaysian Plant Protection Society (Malaysia): Pahang (Malaysia), 20-23 Mar 1990, p. 1-8
Proceedings of the 3rd International Conference on Plant Protection in the Tropics: volume III, Malaysian Plant Protection Society (Malaysia): Pahang (Malaysia), 20-23 Mar 1990, p. 146-156