Dewi Mutiara Indah Ayu 2024. Strategies For Improving Teacher Performance Through Strengthening Organizational Culture, Transformational Leadership, Self-Efficacy, And Work Motivation: Empirical Study Using Quantitative Approach and Sitorem Analysis on Private High School Teachers in Depok City, West Java. International Journal of Educational Research. 1, 4 (Nov. 2024), 68–86. DOI:https://doi.org/10.62951/ijer.v1i4.113.