Adabie-Gomez, D. A., K. G. Monford, A. Agyir-Yawson, A. Owusu-Biney, and M. Osae. “Evaluation of Four Local Plant Species for Insecticidal Activity Against <i>Sitophilus zeamais</i> Motsch. (Coleoptera: Curculionidae) and <i>Callosobruchus maculatus</I> (F) (Coleoptera: Bruchidae)”. Ghana Journal of Agricultural Science, vol. 39, no. 2, Sept. 2007, pp. 147-54, doi:10.4314/gjas.v39i2.2137.