Fitriyani, F., D. Notosudjono, and W. Sunaryo. “The Influence of Servant Leadership, Self-Efficacy, and Work Values on Teacher Engagement in Modern Education”. JPI: Jurnal Pustaka Indonesia, Vol. 6, no. 1, May 2026, pp. 284-99, doi:10.62159/jpi.v6i1.2284.