TI  - Simulations and comparisons of the hay and perez models applied in PVsyst software and their effect on energy output
AU  - AL-WAISAWY, S.
AU  - S. JASIM, H.
AU  - DUHIS, A.H.
SO  - Sigma Journal of Engineering and Natural Sciences 2025;43:1439-1450.
DO  - 10.14744/sigma.2025.00133