Welhelmina, W.; Kurniady, D. A.; Sururi, S.; Kurniatun, T. C. Transformational Leadership, Teacher Motivation, and Upskilling-Reskilling As Determinants of 21st-Century Teacher Competencies. Curricula J. Curr. Dev. 2026, 5 (3), 1279-1292. https://doi.org/10.17509/curricula.v5i3.877.