Hashemiravan, M., Z. Y. Soofyani, and R. Pourahmad. “Chemical Changes in the Quality of Beverage Based on Probiotic Fermented Mixture of Malt Extract and Red Fruit Juices ”. International Journal of Review in Life Sciences, Vol. 5, no. 2, Apr. 2015, pp. 51-57, https://scienztech.org/index.php/ijrls/article/view/1013.