U. X. o‘g‘li Pardayev, H. J. o‘g‘li Xoliqulov, and M. U. Tilyabov, “NATURAL INDICATOR: USE OF RED CABBAGE JUICE AS AN INDICATOR IN FOOD, COSMETIC INDUSTRY AND EDUCATIONAL LABORATORIES”, ERUS, vol. 2, no. 13 SPECIAL, pp. 306–312, Nov. 2023.