Lenanant A. Developing of The Causal Relationship Model of Factors Affecting Educational Quality of Primary Schools in Phetchaburi Province. Int J Innov Educ Res [Internet]. 2020 Jun. 1 [cited 2024 May 20];8(6):66-77. Available from: https://scholarsjournal.net/index.php/ijier/article/view/2375