Investigation of the Impact of Utilizing Lauric Acid and Paraffin Wax as PCM in a Single - Pass Solar Air Heater: Experimental Study. NTU-JRE [Internet]. 2025 Jul. 15 [cited 2026 Jan. 28];9(1):12-2. Available from: https://journals.ntu.edu.iq/index.php/NTU-JRE/article/view/1369