Thawichsri, Kosart, and Wanich Nilnont. “A Study of Heat Exchanger Produces Hot Water from Air Conditioning Incorporated With Solar Energy System”. Journal of Energy and Environment Technology of Graduate School Siam Technology College 1, no. 1 (July 31, 2014): 1–10. Accessed February 28, 2024. https://ph01.tci-thaijo.org/index.php/JEET/article/view/180962.