Otuaro, E. A., and J. K. Adewumi. “Crop Water Use of Cowpea (Vigna Unguiculata) under Deficit Irrigation in a Controlled Environment”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 20, no. 1 (March 1, 2024): 187-192. Accessed December 4, 2024. https://azojete.com.ng/index.php/azojete/article/view/885.