LONG-TERM POWER PURCHASE AGREEMENT FOR PHOTOVOLTAIC ENERGY AS A SOLUTION FOR ENHANCING THE PROFITABILITY OF THE TASHMARUNISHTA PUMPED-STORAGE HYDRO POWER PLANT: UDC: [621.311.214+621.311.243](497.782). etima [Интернет]. 27 октябрь 2025 г. [цитируется по 25 апрель 2026 г.];3(1):75-86. доступно на: https://js.ugd.edu.mk/index.php/etima/article/view/7557