Kassim Ahmad M. Minimizing the Energy Consumption for Building by Using the Concentrating Water Solar Collector in Hot Arid Region "Experimental Work". J. eng. sustain. dev. 2012;16(3):50-60. Accessed June 4, 2026. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1267