SUKSAMRAN, N.; SIRIWATTANANON, N. Development of Skill Practice Exercises on Addition, Subtraction, Multiplication, and Division of Fractions to Enhance Learning Achievement of Grade 6 Students at Banlangkhao School. Journal of Multidisciplinary Research and Social lnnovation, [S. l.], v. 2, n. 2, p. 61–71, 2026. Disponível em: https://so10.tci-thaijo.org/index.php/MRSI/article/view/3412. Acesso em: 18 sep. 2026.