DAO, T.-L. .; NGUYEN, N.-G. .; TRAN, T. . Designing, Building and using Interactive e-Textbooks according to the Organization of Discovery Learning Acts in Vietnam. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 15, n. 10, p. 38–61, 2016. Disponível em: http://www.ijlter.myres.net/index.php/ijlter/article/view/881. Acesso em: 19 apr. 2026.