„TECHNO-ECONOMIC EVALUATON OF RETROFITTING A 210 MW THERMAL HEAVY-OIL POWER PLANT WITH A PHOTOVOLTAIC SOLAR THERMAL ENERGY STORAGE SYSTEM USING MOLTEN SALT: A CASE STUDY OF TEC NEGOTINO“, etima, Bd. 2, Nr. 1, S. 45, März 2024, Zugegriffen: 3. Oktober 2025. [Online]. Verfügbar unter: https://js.ugd.edu.mk/index.php/etima/article/view/6463