Dr. Iyagba. “Growth and Yield Response of Okra (Abelmoschus Esculentus (L.) Moench) Varieties to Weed Interference in South-Eastern Nigeria”. Global Journal of Science Frontier Research 12, no. D7 (May 15, 2012): 23–31. Accessed April 28, 2024. https://journalofscience.org/index.php/GJSFR/article/view/525.