เล้าอรุณ อิสรานนท์. 2014. “The Effected Factors to Quality of Work of the Company in the Nakhonratchasima Under the Investment Promotion Board of Investment”. RMUTI Journal Humanities and Social Sciences 1 (1):108-20. https://so05.tci-thaijo.org/index.php/RMUTI_SS/article/view/196320.