Nnadi, O. F., C. C. Ononuju, E. A. Ikwunagu, and C. C. Orikara. “The Effect of Air Dried Leaf Powder and Burnt Leaf Ash of Different Plants on Root-Knot Nematode (Meloidogyne Spp.) on Okra (Abelmoschus Esculentus L. Moench)”. Journal of Experimental Agriculture International 41, no. 1 (October 2, 2019): 1-8. Accessed November 18, 2019. http://journaljeai.com/index.php/JEAI/article/view/30389.