H. Shahad, M. Hasan Abbood, and Z. Jebur Dakhil, “Experimental Performance Investigation of Photovoltaic Module and Water Cooled Photovoltaic/Thermal System under Middle of Iraqi Climatic Conditions”, IJET, vol. 7, no. 4.19, pp. 688–698, Nov. 2018, doi: 10.14419/ijet.v7i4.19.27984.