ดวงใจบุญ ก., and บุญศรีโรจน์ อ. “Energy Saving in Para Wood Saw by Motor Load Control”. Journal of Energy and Environment Technology of Graduate School Siam Technology College, vol. 1, no. 2, Dec. 2014, pp. 46-50, https://ph01.tci-thaijo.org/index.php/JEET/article/view/179552.