1. Conserving biological diversity in agricultural/forestry systems;D. Pimentel;BioScience,1992
2. A total system approach to sustainable pest management;W. J. Lewis;Proceedings of the National Academy of Sciences,1997
3. A review of the biological control of insects and other pests in South-East Asia and the Pacific region;V. P. Rao;Technical Communication, Commonwealth Institute of Biological Control, Trinidad,1971
4. The Trichogramma manual: a guide to the use of Trichogramma for biological control with special reference to augmentative releases for control of bollworm and budworm in cotton;A. Knutson;Texas A&M University System, College Station,2005