Pontoh, S., J. . Altje Meiske Rawis, and S. Deity Meity Sumual. “The Influence of School Principals’ Transformational Leadership and Teachers’ Self-Efficacy on Teacher Performance at SMP Negeri 1 Tomohon”. International Journal of Science and Environment (IJSE), vol. 5, no. 2, May 2025, pp. 32-39, doi:10.51601/ijse.v5i2.150.