Pitukkecha A, Sod-ium P- on. Development of Linear Structural Equation Model of Factors Affecting the Effectiveness of Schools under the Office of Primary Educational Service Area, Loei Province: Development of Linear Structural Equation Model of Factors Affecting the Effectiveness of Schools under the Office of Primary Educational Service Area, Loei Province. rtnb [internet]. 2023 Apr. 30 [cited 2025 Jun. 13];5(1):254-70. available from: https://so07.tci-thaijo.org/index.php/rtnb/article/view/2543