Ganiyu, O. et al. 2021. Comparative Studies of the Effects of Five Indigenous Cowpea (Vigna unguiculata) Varieties on Enzymes Linked to Type 2 Diabetes and their Glycemic Indices: doi.org/10.26538/tjnpr/v5i5.28. Tropical Journal of Natural Product Research (TJNPR). 5, 5 (May 2021), 970–976.