ZULUETA, Ma. Cristina E. et al. Through Pains And Gains: Measures Of 21st Century Skills And Sense Of Self-Efficacy Of Alternative Learning System (Als) Learners. International Journal of Multidisciplinary: Applied Business and Education Research, Malang, Indonesia, v. 2, n. 3, p. 189–197, 2021. DOI: 10.11594/ijmaber.02.03.02. Disponível em: https://ijmaberjournal.org/index.php/ijmaber/article/view/94. Acesso em: 24 jan. 2026.