J. Hasan, Iesam, and Zaynab Ismail Abdullah. “Number of Tape Twists Effects on Solar Water Heater Performance”. International Journal of Integrated Engineering 15, no. 4 (October 17, 2023): 157–166. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/12427.