FAJRI, M. A.; PRATAMA, J. E.; ABDURRAHMANSYAH, A. Teacher Competencies in the Era of the Industrial Revolution 4.0: Transformation of Roles, Digital Skills, and Challenges of 21st-Century Education. International Journal of Education, Information Technology, and Others, v. 9, n. 2, p. 41-51, 14 abr. 2026.