Ojeniyi, S. O., S. A. Odedina, and T. M. Agbede. 2012. “SOIL PRODUCTIVITY IMPROVING ATTRIBUTES OF MEXICAN SUNFLOWER (TITHONIADIVERSIFOLIA) AND SIAM WEED (CHROMOLAENA ODORATA)”. Emirates Journal of Food and Agriculture 24 (3):243-47. https://www.ejfa.me/index.php/journal/article/view/867.