Wattana, Arpakorn, Wattanapong Rakwichian, Wannee Ekasilp, and Ammata Tusnapucki. 2014. “Velocity and Temperature Distribution of Flowing Water in a Solar Parabolic Trough Receiver”. Journal of Renewable Energy and Smart Grid Technology 6 (1):41-56. https://ph01.tci-thaijo.org/index.php/RAST/article/view/26183.