Maffo Tazoho, G. ., Etengeneng Agbor, E. ., & Gouado, I. . (2020). In vitro, antioxidant activities of aqueous and methanol roselle (Hibiscus sabdariffa) calyces extracts from two localities in Cameroon. The North African Journal of Food and Nutrition Research, 4(8), 292–297. https://doi.org/10.51745/najfnr.4.8.292-297