Sultan KF, Fadel HS, Jaddoa A. IMPROVE THE PHOTOVOLTAIC PANELS BY ADVANCE COOLING USING DISTILLED WATER AND COPPER NANOPARTICLES. Eurasian phys. tech. j. [Internet]. 2026 Mar. 30 [cited 2026 May 19];23(1 (55):154-61. Available from: https://phtj.buketov.edu.kz/EPTJ/article/view/1422