PRACHUMCHAI, S.; ANGHIRUN, H. The Jolly Phonics Camp to Enhance Lower Elementary Students’ English Pronunciation at the Highland Schools in Phetchabun Province. Journal of Multidisciplinary in Humanities and Social Sciences, [S. l.], v. 3, n. 2, p. 273–286, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/243719. Acesso em: 10 oct. 2026.