PRINCIPAL SUPERVISION IN INCREASING ELEMENTARY SCHOOL TEACHER’S PERFORMANCE. Primary: Jurnal Pendidikan Guru Sekolah Dasar, [S. l.], v. 9, n. 3, p. 359–366, 2020. DOI: 10.33578/jpfkip.v9i1.7857. Disponível em: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/878. Acesso em: 14 dec. 2025.