PHONGSART, S.; PIENTHUNYAKORN , S.; PHOTHIVAT, S. THE CAUSAL RELATIONSHIP MODEL OF EFFECTIVENESS OF OPPORTUNITY EXPANSION SCHOOLS IN THE UPPER NORTHEAST. Journal of Social Science and Cultural, [S. l.], v. 7, n. 2, p. 69–84, 2023. Disponível em: https://so06.tci-thaijo.org/index.php/JSC/article/view/261843. Acesso em: 30 sep. 2026.