Sukonthabhirom na Pattalung, S. and Visetson, S. 2003. Toxicity of Extract from Thai Neem, Azadiracta indica var. siamensis Valeton to Corn Stemborer, Ostrinia furnacalis (Guenee). Thai Agricultural Research Journal. 21, 2 (Aug. 2003), 160–169. DOI:https://doi.org/10.14456/thaidoa-agres.2003.13.