Pakdeephundon P, Choeybal P, Sroinam S. A STRUCTURAL EQUATION MODEL OF THE FACTORS INFLUENCING THE EFFECTIVENESS OF SECONDARY SCHOOLS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA IN THE NORTHEAST . JEI [internet]. 2025 Feb. 11 [cited 2025 Apr. 4];27(1):200-11. available from: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/270789