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Julius I., . and Choong C.T., . and Yap T.H., . and Ng K.Y., . (1990) Beta-cyfluthrin a synithetic i.e. synthetic pyrethroid insecticide for the control of lepidopterous pests. [Proceedings Paper]
Choong C.T., . and Ng K.Y., . (1990) A comparative evaluation of triadimenol with tebuconazole a new fungicide for the control of vsd vascular streak dieback of cocoa in Malaysia. [Proceedings Paper]
Ng K.Y., . and Yap T.H., . (1990) The effects of triadimefon and triadimenol in controlling white root disease of rubber. [Proceedings Paper]
Johney K.V., . and Teo H.T., . and Ng K.Y., . (1986) Evaluation of synthetic pyrethroids for the control of cocoa [Theobroma cacao] podborer Conopomorpha cramerella Snellen (Lepidoptera: Gracillaridae). In: 2. International Conference on Plant Protection in the Tropics, 17-20 Mar 1986, Genting Highlands (Malaysia).
Yap T.H., . and Ng K.Y., . (1986) Influence of pesticides on the incidence of virus disease and leaf curl symptoms in chilli (Capsicum annuum) in Malaysia. In: 2. International Conference on Plant Protection in the Tropics, 17-20 Mar 1986, Genting Highlands (Malaysia).
Ibrahim Che Omar, . and Ng K.Y., . Production of lipase enzyme by Corynebacterium sp. in a palm oil medium. pp. 71-85. ISSN 0126-6039