How to Improve the Validity and Reliability of a Case Study Approach?. Journal of Interdisciplinary Studies in Education, [S. l.], v. 9, n. 2, p. 264–275, 2021. DOI: 10.32674/jise.v9i2.2026. Disponível em: https://ojed.org/jise/article/view/2026. Acesso em: 23 nov. 2024.