; . REGULATION OF PUMP STATIONS WATER AND WASTEWATER SYSTEMS THROUGH THE USE OF ELECTRIC, ADJUSTABLE. Municipal economy of cities, [S. l.], n. 107, p. 265–270, 2013. Disponível em: https://khg.kname.edu.ua/index.php/khg/article/view/302. Acesso em: 5 feb. 2025.