Saleim Hachem Farhan, Hassan Ali Salman, and Gailan Abdulkader. “Solar Energy Collector Gain Digital Electronic Meter”. Journal of Madenat Alelem University College 11, no. 2 (November 23, 2019): 23-30. Accessed April 24, 2024. https://journal.mauc.edu.iq/index.php/JMAUC/article/view/304.