SUKONWIRIYAKUL , T. .; KLAISANG, J. . Learning Design of Cloud Based Mobile Learning with 4Ex2 Model on Mathematical Problem Solving Ability. An Online Journal of Education, [S. l.], v. 15, n. 2, p. OJED1502003a (15 pages), 2020. Disponível em: https://so01.tci-thaijo.org/index.php/OJED/article/view/245393. Acesso em: 5 may. 2024.