Apiworathanakorn Y, Jumsai Na Ayudhya A-O, Supapongpichate R, Aroonsrimorakot S. A model of competency development for internal environmental auditors in IS014001-certified organizations. kasetsart J. Soc. Sci. [internet]. 2019 Apr. 30 [cited 2026 Sep. 29];40(1):129-35. available from: https://so04.tci-thaijo.org/index.php/kjss/article/view/239821