Sidky, Maram Besheir, Khaled Haroun, Nabil Shukri, and Khalil Yacoob. 2019. “Performance Study of Different Types of Solar Water-Heaters Collectors”. Applications of Modelling and Simulation 3 (3):179-87. https://www.ojs.arqiipubl.com/index.php/AMS_Journal/article/view/98.