Otusanya, M. O. “Role of Nitrogen and Iron in Tuber Phenol Content for Resistance to Infection and Better Storability in Bounty-Fertilized Dioscorea Rotundata Variety Oniyere”. European Journal of Applied Sciences 9, no. 3 (June 12, 2021): 127–132. Accessed April 24, 2024. https://journals.scholarpublishing.org/index.php/AIVP/article/view/10207.