Nontanok S, Narkpoy L, Onkasem P. Administrative Factors Affecting the Efficiency Students-Center Learning Management of Teachers in Schools Under Chachoengsao Primary Educational Service Area Office 1. rpujournal [internet]. 2025 Apr. 28 [cited 2026 Sep. 12];11(1):282-96. available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/288777