Idoko, B. O., M. T. Ukeyima, G. M. Gberikon, and O. O. Olaleye. “Physico-Chemical and Sensory Properties of Wine Produced from Blends of Roselle Calyces Extract and Pineapple Juice”. Asian Journal of Biotechnology and Bioresource Technology 6, no. 1 (March 24, 2020): 28-38. Accessed April 9, 2020. http://journalajb2t.com/index.php/AJB2T/article/view/30073.