CHIMTHONGDEE, W.; KORANEEKIJ, P.; NA-SONGKHLA, J. Unveiling the Essential Features of an Enneagram Coaching System for Teacher Instructional Abilities Development: A Survey Analysis Approach. Journal of Roi Kaensarn Academi, [S. l.], v. 8, n. 12, p. 443–457, 2023. Disponível em: https://so02.tci-thaijo.org/index.php/JRKSA/article/view/264256. Acesso em: 6 ต.ค. 2026.