The Influence of Principal Professional Competence on the Quality of Elementary School Education. Lembaran Ilmu Kependidikan, [S. l.], v. 54, n. 1, p. 188–197, 2024. DOI: 10.15294/lik.v54i1.23621. Disponível em: https://journal.unnes.ac.id/journals/LIK/article/view/23621. Acesso em: 18 oct. 2026.