1. Adulavidhaya, K., Bhasayavan, N., Chungtes, T., Kirithavip, R., Duangratana, S., Isvilanonda, S., Janprasert, J., Nakatat, S. and Pisithpun, S. 1979. Constraints to high yields, Northwestern Central Plain, Thailand. In: Farm Level Constraints to High Rice Yields in Asia. IRRI, Los Baños, pp. 287–322.
2. Agyen-Sampong, M. 1988. Assessment of on-farm losses in rice due to insect pests. Insect Science and Its Application 6:691–695.
3. Ahrens, C., Cramer, H.H., Mogk, M. and Peschel, H. 1982. Economic impact of crop losses. In: Proceedings of the 10th International Congress of Plant Protection, British Crop Protection Council, Croydon, pp. 65–73.
4. Akinsola, E.A. 1984. Effects of rice stem-borer infestation on grain yield and yield components. Insect Science and its Application 5:91–94.
5. Alam, M.Z. 1961. Insect Pests of Rice in East Pakistan and their Control. East Pakistan Department of Agriculture, Dacca, 94 p.