A. Hmoud Alikhan, K. . Saleem Jebur Al-Ogaili, H. . Obaid Mery, O. . Malik Mohammed, and M. . Arkan Al-attabbi, “Optimal Design Of The Concentric Annulus For The Solar Collectors And Energy Storage”, WJES, vol. 12, no. 3, pp. 94–108, Aug. 2024, doi: 10.31185/ejuow.Vol12.Iss3.570.