@article{article1858, title = {Simulations and comparisons of the hay and perez models applied in PVsyst software and their effect on energy output}, author = {AL-WAISAWY, S. and S. JASIM, H. and DUHIS, A.H.}, journal = {Sigma Journal of Engineering and Natural Sciences}, year = {2025}, volume = {43}, pages = {1439-1450}, doi = {10.14744/sigma.2025.00133} }