Examination of Teachers’ Perceptions of Self-Efficiency Regarding 21st Century Skills Teaching. ESAR Journal, [S. l.], v. 3, n. 1, p. 74–93, 2022. DOI: 10.5281/zenodo.13247981. Disponível em: https://www.esarjournal.com/index.php/ESAR/article/view/31.. Acesso em: 30 apr. 2026.