Shokirovna, Islomqulova Anora. “Municipal Water Supply and Sewage Treatment: Costs, Prices and Distortions”. American Journal of Engineering , Mechanics and Architecture (2993-2637) 3, no. 3 (March 27, 2025): 220–226. Accessed August 6, 2026. https://grnjournal.us/index.php/AJEMA/article/view/7243.