HARLINA, S. .; HARAPAN, E. .; TAHRUN. The Influence of Principal Leadership Style And Work Ethic A Towards Teacher Professionalism. Jurnal Pendidikan Tambusai, [S. l.], v. 5, n. 1, p. 2354–2357, 2021. DOI: 10.31004/jptam.v5i1.1683. Disponível em: https://jptam.org/index.php/jptam/article/view/1683. Acesso em: 3 jul. 2024.