[1]
Suliman, A.M. et al. 2011. A Comparative Study on Red and White Karkade (Hibiscus sabdariffa L.) Calyces, Extracts and Their Products. Pakistan Journal of Nutrition. 10, 7 (Jun. 2011), 680–683. DOI:https://doi.org/10.3923/pjn.2011.680.683.