Adomako, J., and C.K. Kwoseh. 2016. “Effect of Castor Bean (Ricinus Communis L.) Aqueous Extracts on the Performance of Root-Knot Nematodes (Meloideogyne spp.) on Tomato (Solanum Lycopersicum L.)”. Journal of Science and Technology 33 (1). https://doi.org/10.4314/just.v33i1.68.