PHAPOR, P. Development of Spelling Skills of Prathomsuksa 4 Students By Using spelling skills. Journal of Multidisciplinary in Humanities and Social Sciences, [S. l.], v. 2, n. 1, p. 25–34, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/243486. Acesso em: 10 oct. 2026.