Promthaisong, P., and S. Suwannapan. 2018. “Turbulent Flow Behaviors on Thermal Enhancement in a Circular Tube Heat Exchanger Equipped With Sinusoidal Baffles”. Journal of Research and Applications in Mechanical Engineering 6 (2):95-112. https://ph01.tci-thaijo.org/index.php/jrame/article/view/149809.