Ito, E., Ukpohwo, R., & Okiriguo, I. (2018). Insecticidal activity of Xylopia aethiopica (Family; Annonaceae) against Callosobruchus maculatus (F) (Coleoptera: Bruchidae) and Sitophilus oryzae (Coleoptera: Curculionidae). Journal of Biological Studies, 1(3), 106–115. https://doi.org/10.62400/jbs.v1i3.23