D. M. B. . kizi, M. S. . Mashrabboevich, and S. M. . Makhammadzhanovich, “STUDY OF THE PROCESS OF OBTAINING CALCIUM NITRATE - PRODUCTS OF NITRIC ACID DECOMPOSITION OF CALCIUM- CONTAINING SLUDGE”, CIBG, vol. 28, no. 1, pp. 435–439, Mar. 2022.