“EVALUATION OF FLAT SHALLOW CAVITY SOLAR COLLECTOR INSERTED WITH POROUS LAYER: Abstract, Introduction, Mathematical and Experimental Models, Results and Discussion, Conclusions”. THE IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING 19, no. 4 (December 23, 2019): 321–336. Accessed November 20, 2024. https://iqjfmme.com/index.php/jmme/article/view/426.