Mohammed Hamdoon O, Ababakr Ali I. The Experimental Investigation of Double -Pass Solar Air Heater with V-Corrugated Plate, Phase -Change Material and Baffles Under Recycling Operation. AREJ [Internet]. 2023 Mar. 1 [cited 2025 Sep. 7];28(1):256-71. Available from: https://jamh.uomosul.edu.iq/index.php/arej/article/view/30835