Chaiworapuek, W. ., S. Nongnoi, and C. . Kittichaikarn. “Visualization of Thermal Structure of Turbulent Spot under Adverse Pressure Gradients Using Liquid Crystals”. Agriculture and Natural Resources, vol. 48, no. 5, Oct. 2014, pp. 823-35, https://li01.tci-thaijo.org/index.php/anres/article/view/243423.