SUNANTA, P.; PANSA, B.; SRAKAEW, P. N. The Four Iddhipada – Based English Speaking Instructional System for Students’ Secondary School in Phrae Province. Journal of Asian Language Teaching and Learning (Online), [S. l.], v. 5, n. 3, p. 269–280, 2024. Disponível em: https://so10.tci-thaijo.org/index.php/jote/article/view/1866. Acesso em: 23 sep. 2025.