“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, vol. 3, no. 1, pp. 75–86, Oct. 2025, doi: 10.46763/ETIMA253175a.