I. Odimegwu, Joy, et al. “In Vitro Diosgenin Augmentation in Microtubers of Dioscorea Floribunda (M. Martens & Galeotti)”. Tropical Journal of Natural Product Research (TJNPR), vol. 1, no. 2, Aug. 2017, pp. 69-75, https://tjnpr.org/index.php/home/article/view/278.