- Kumar, A., and A. Youdeowei. 1983. Management of cocoa pests [Pages 186-201]. in: Pest and vector management in the tropics, with particular reference to insects, ticks, mites and snails.. Service, M. W., Youdeowei, A. (eds.) Longman Group Limited,New York, NY. xv + 399 p. pp..
- Kumar, R., and A. Youdeowei. 1983. Management of cocoa pests. Pages 186-201 in A. Youdeowei and M. W. Service (eds.), Pest and vector management in the tropics, with particular reference to insects, ticks, mites and snails. Longman Group Limited, New York, N. Y. xv + 399 p.