HANTHONGCHAI, B. The States and Problems of Strategic Guidance Operation in Secondary Schools Under the Office of Secondary Educational Service in Udon Thani. Academic Journal of Mahamakut Buddhist University Roi Et Campus, [S. l.], v. 9, n. 2, p. 358–366, 2019. Disponível em: https://so01.tci-thaijo.org/index.php/AJMBU/article/view/244710. Acesso em: 20 apr. 2024.