Pitan, O. R., A. T. Kehinde, A. A. Osipitan, A. A. Ademolu, and O. A. Lawal. “Laboratory Evaluation of Insecticidal Activities of Some Botanicals Against Four Insect Pests of Honey Bees (<i>Apis mellifera</I> L.)”. International Journal of Applied Agriculture and Apiculture Research, vol. 11, no. 1-2, Aug. 2016, pp. 172-8, https://www.ajol.info/index.php/ijaaar/article/view/141720.