Adesoye, A.I., A. Emese, and O.M. Olayode. 2012. “In Vitro Regeneration of African Yam Bean (Sphenostylis Stenocarpa (Hochst Ex. A. Rich.) Harms by Direct Organogenesis”. Agriculture and Natural Resources 46 (4). Bangkok, Thailand:592-602. https://li01.tci-thaijo.org/index.php/anres/article/view/242914.