, , and . “ENERGY EFFICIENCY AND INVESTMENT ATTRACTIVENESS OF WATER AND SEWAGE THROUGH THE INTRODUCTION OF ORGANIZATIONAL AND MANAGERIAL AND ECONOMIC AND ORGANIZATIONAL ASPECTS OF THE CREATION OF SERVICES ENERGY”. Municipal economy of cities. Series: «Economy science», no. 118’1 (February 2, 2017): 84–93. Accessed June 24, 2025. https://khges.kname.edu.ua/index.php/khges/article/view/4947.