H. . Rizqiati, B. . Dwiloka, R. A. . Fawait, and K. T. . Saman, “Effect of red rosella flower extract as an acidulant on yield, total dissolved solids, texture hardness, color, antioxidant activity, and pH value of Mozzarella cheese”, JAVR, vol. 16, no. 1, pp. 7-11, Jan. 2026.