Maliki, Raphiou, Anne Floquet, and Brice Sinsin. “Nutrients Budgets of the Sedentary Yam-Based Cropping Systems With Herbaceous Legumes in the Guinea-Sudan Transition Zone of Benin”. International Invention of Scientific Journal 3, no. 01 (January 23, 2019). Accessed February 23, 2019. http://iisj.in/index.php/iisj/article/view/100.