N. Janepher , Mafuta., et al. “ Morphological Characterization of African Nightshade (Solanum Nigrum L) Accessions in Western Kenya ”. African Journal of Education,Science and Technology (AJEST), vol. 6, no. 4, Oct. 2021, pp. Pg 185-197, https://ajest.org/index.php/ajest/article/view/479.