Abdunnabi, M. ., Al-Ahjal, M. ., & Rahoma, I. O. . (2017). Optimum Sizing of Residential Active Solar Water Heating Systems for Libyan Families. Solar Energy and Sustainable Development Journal, 6(1), 18–26. استرجع في من https://jsesd-ojs.csers.ly/ojs/index.php/jsesd/article/view/58