พูลกระจ่าง อ. ., and ชินินทร ป. . “A Construction and Efficiency Evaluation of Air Dryer by Refrigeration”. Journal of Engineering, RMUTT, vol. 10, Dec. 2007, pp. 51-56, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242230.