THOSCHUAY, R. A Study of Development Model of Open Approach Activities on the European Continent of Mathayomsuksa 2 Students. Interdisciplinary Academic and Research Journal , Maha Sara Kham, TH., v. 2, n. 4, p. 365–378, 2022. DOI: 10.14456/iarj.2022.63. Disponível em: https://so03.tci-thaijo.org/index.php/IARJ/article/view/262422. Acesso em: 16 sep. 2026.