„INVESTIGATION OF EFFICIENCY ASPECTS IN 3×3 PHOTOVOLTAIC PLANT USING MODEL OF SHADING“, etima, Bd. 1, Nr. 1, S. 309–318, Okt. 2021, Zugegriffen: 23. April 2026. [Online]. Verfügbar unter: https://js.ugd.edu.mk/index.php/etima/article/view/4522