พอกสูงเนิน ส., and เบญจคีรี ด. “The Administrators’ Capacity Effecting to the Academic Administration Under the Secondary Educational Service Area Offif Ice 1”. Mahamakut Graduate School Journal, vol. 17, no. 1, Aug. 2019, pp. 43-52, https://so04.tci-thaijo.org/index.php/mgsj/article/view/212160.