Ito, Edwin, et al. “Insecticidal Activity of Xylopia Aethiopica (Family; Annonaceae) Against Callosobruchus Maculatus (F) (Coleoptera: Bruchidae) and Sitophilus Oryzae (Coleoptera: Curculionidae)”. Journal of Biological Studies, vol. 1, no. 3, Sept. 2018, pp. 106-15, doi:10.62400/jbs.v1i3.23.