ธรรมเสน่ห์ ส. “A Model of Competency Development of Employees in Wellgrow Industrial Estate, Bang Pakong District, Chachoengsoa Province”. Business Administration and Management Journal Review, vol. 10, no. 2, Dec. 2018, pp. 87-106, https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/162252.