Hamdan, H., Yuliana , L. ., & Youssouf , K. . (2026). The Influence of Principals’ Managerial Competence, Academic Supervision and Teachers’ Education Level on The Performance of Public Junior High School Teachers in Kuala Kampar Sub-District. Journal of Loomingulisus Ja Innovatsioon, 3(2), 162–171. https://doi.org/10.70177/innovatsioon.v3i2.2252