Dongkhao, Chakkapong, Tawatchai Meekaew, Warunee Ariyawiriyanan, Manop Yamphang, Jakrawan Boonwan, Pongpitch Tuenpusa, Nukul Euaphantasate, Pongphisanu Muangchareon, and Supachat Chungpaibulpatana. 2015. “Artificial Aging Properties of an Extruded Polymeric Solar Collector”. Science & Technology Asia 18 (3):23-29. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41138.