NGUYEN, N. T. .; TRAN, L. H. . Uncovering the Challenges and Requirements of Elementary School Teachers in Implementing STEM Educational Activities in Vietnam. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 23, n. 6, p. 373–390, 2024. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/1976. Acesso em: 30 apr. 2026.