Kh., T. S. “Investigation of the Process of Obtaining Zinc Hydroxide Carbonate by Precipitation From a Solution of Zinc Nitric Acid With a Solution of Sodium Carbonate”. Central Asian Journal of Theoretical and Applied Science, Vol. 4, no. 5, May 2023, pp. 103-6, https://cajotas.centralasianstudies.org/index.php/CAJOTAS/article/view/1166.