“Experimental and Theoretical Investigation of a Modified Solar Still Incorporating PCM, CuO Nano-Coated Absorber, and a Copper Spiral Tube”. ITEGAM-JETIA 12, no. 59 (May 30, 2026): 906–915. Accessed October 22, 2026. https://itegam-jetia.org/journal/index.php/jetia/article/view/3742.