Olympio, N. S. “An Evaluation of the Effects of Certain Pesticides on the Yield and Quality of Tomato (Lycopersicon Esculen-Turn Mill. Cv.Roma) Fruits and Seeds ”. Journal of Science and Technology, Vol. 10, no. 3, Jan. 2016, pp. 108- 114, doi:10.4314/just.v10i3.1067.