Yodmern, P., and T. Polyiem. “mplementation uidelines of eacher rofessional earning ommunity in chools nder the econdary ducational ervice rea ffice 19 (Nong ua amphu)”. cademic ournal of ahamakut uddhist niversity oi t ampus, ol. 10, no. 1, May 2020, pp. 327-38, https://so01.tci-thaijo.org/index.php/AJMBU/article/view/241246.