SIMANJUNTAK, J. M. The Impact of Principal Leadership on The Effectiveness of Learning in Christian Senior High School in Bandung, Indonesia. Kelola: Jurnal Manajemen Pendidikan, [S. l.], v. 8, n. 1, p. 11–21, 2021. DOI: 10.24246/j.jk.2021.v8.i1.p11-21. Disponível em: https://ejournal.uksw.edu/kelola/article/view/4514. Acesso em: 5 dec. 2025.