Mumbi, J, R Wanjau, and J Murungi. “Effect of Cooking Methods on Levels of Folates and Ascorbic Acid in Cowpea (Vigna Unguiculata L. Walp) from Nairobi, Kenya”. African Journal of Pure and Applied Sciences 2, no. 1 (January 23, 2021): 53–60. Accessed August 25, 2026. https://journals.ku.ac.ke/index.php/AJPAS/article/view/187.