Dushkin, S., G. Blagodarna, S. Dushkin, and T. Shevchenko. “CONTACT CLARIFIERS IN THE PREPARATION OF DRINKING WATER: Array”. Municipal economy of cities. Series: «Economy science» 1, no. 161 (March 26, 2021): 46–52. Accessed June 15, 2025. https://khges.kname.edu.ua/index.php/khges/article/view/5711.