HAMDAN HAMDAN; LIA YULIANA. 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. Jurnal Bintang Pendidikan Indonesia, [S. l.], v. 3, n. 2, p. 68–82, 2025. DOI: 10.55606/jubpi.v3i2.3717. Disponível em: https://ejurnal.stie-trianandra.ac.id/index.php/JUBPI/article/view/3717. Acesso em: 23 feb. 2025.