Kawthar Kazem Mankhi. “A New Solar Water Heater Design That Receives Radiation From Multiple Facets and Features a Wavy Absorption Surface, and Its Performance Efficiency Has Been Tested”. Central Asian Journal of Theoretical and Applied Science, vol. 7, no. 3, June 2026, pp. 170-5, https://cajotas.casjournal.org/index.php/CAJOTAS/article/view/1705.