Conceschi, Marcos R., et al. “Effect of Extracts from Azadiraachta Indica and Trichilia Pallida on Control to Spodoptera Frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) on Maize”. BioAssay, vol. 6, May 2011, doi:10.14295/BA.v6.0.30.