คำปากดี ม., and M. . Polsongkram. “Influence of End-Plate of Blade on Power Coefficient of 3 Blades Axis Wind Turbine With 4 Bars Linkage Blade Pitch Angle Adjustable”. Science Technology and Innovation Journal, vol. 1, no. 6, Jan. 2021, pp. 16-25, https://li01.tci-thaijo.org/index.php/stij/article/view/248124.