Ondigo , Rachel A., Kefa Sum, Paul K. Ndalut, and Titus M. Muthoka. 2015. “ A Comparison of Two Botanical Pyrethrum Synergists from Ocimum Kilimandscharicum and Tagetes Minuta in the Control of Malaria Vector the Anopheles Gambiae ”. African Journal of Education,Science and Technology (AJEST) 2 (3):Pg 216-227. https://ajest.org/index.php/ajest/article/view/633.