“IMPROVING ENERGY EFFICIENCY IN LOCAL WATER SUPPLY SYSTEMS USING PNEUMATIC TANKS AND PUMPS WITH VARIABLE FREQUENCY DRIVE”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 59, no. 2 (266), Aug. 2025, pp. 319-28, https://doi.org/10.46991/PYSUC.2025.59.2.319.