Ratner S, Chepurko Y, Drobyshecskaya L, Petrovskaya A. Management of Energy Enterprises: Energy-efficiency Approach in Solar Collectors Industry: The Case of Russia. IJEEP [Internet]. 2018 Jul. 16 [cited 2024 Nov. 24];8(4):237-43. Available from: https://econjournals.com/index.php/ijeep/article/view/6740