Makhmudovich, S. B. ., E. K. . Muminovich, and S. B. M. . Baxtiyar o’g’li. “Economic Indicators of Recommendations for Increasing the Efficiency of Pumping Stations”. Middle European Scientific Bulletin, vol. 30, Nov. 2022, pp. 71-75, https://cejsr.academicjournal.io/index.php/journal/article/view/1586.