Putri, I. A., Mutiara, T., Ningsih, V. Y., Hidayati, R. K., & Manik, M. A. (2020). The Influence of Leadership, Teacher Confidence, and Motivation on Teacher Performance and Student Achievement in an Educational Context. Indonesian Educational Administration and Leadership Journal (IDEAL), 2(2), 154–170. https://doi.org/10.22437/ideal.v2i2.43038