PRACHUMRAT, J. Intelligence Level and Learning Ability in Reading, Writing and Calculating of the Second to Sixth Grade Students in Surat Thani Province. Region 11 Medical Journal, [S. l.], v. 34, n. 3, p. 22–34, 2020. DOI: 10.14456/reg11med.2020.2. Disponível em: https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/241615. Acesso em: 19 sep. 2026.