Sterjova, Marija, и Dragan Minovski. «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 2, no. 1 (март 13, 2024): 45. просмотрено сентябрь 18, 2025. https://js.ugd.edu.mk/index.php/etima/article/view/6463.