SANI DAN NOMAO H, BOUBACAR MAIKANO A, SIDO MP, BOUKAR M, MADOUGOU S. Study of Four (4) Semi-Empirical Models for Estimating Direct Radiation from the Sun and Modeling for Application to the Solar Thermodynamic System. EJAS [Internet]. 2022Aug.31 [cited 2024Apr.28];10(4):765-82. Available from: https://journals.scholarpublishing.org/index.php/AIVP/article/view/12950