ภู่ระหงษ์ ม. “EXECUTIVE COMMUNICATION AFFECTING ADMINISTRATIVE EFFECTIVENESS OF SUBDISTRICT ADMINISTRATION ORGANIZATIONS IN SURAT THANI PROVINCE”. Pathumthani University Academic Journal, vol. 13, no. 1, June 2021, pp. 309-27, https://so05.tci-thaijo.org/index.php/ptujournal/article/view/249978.