Auamtong, T., and T. Boontham. “THE NEEDS OF THE INTERNAL QUALITY ASSURANCE MANAGEMENT FOR PRIMARY SCHOOLS IN PATHUM THANI PROVINCE”. Valaya Alongkorn Review, vol. 11, no. 2, Aug. 2021, pp. 121-35, https://so06.tci-thaijo.org/index.php/var/article/view/249003.