Maneewan, Somchai, Sirinuch Chindaruksa, and Jompob Waewsak. “The Novel Solar Water Heating by Means of Thermoelectric Modules”. Journal of Renewable Energy and Smart Grid Technology 3, no. 2 (December 18, 2014): 49–56. accessed May 12, 2025. https://ph01.tci-thaijo.org/index.php/RAST/article/view/26076.