SINAGA, Marince; SHERLY, Sherly; HERMAN, Herman. Pengaruh Gaya Kepemimpinan Altruistik dan Supervisi Kelas untuk Meningkatkan Kepuasan Kerja Guru di SD Wilayah Siantar Naungan YPK ST. Yoseph Pematangsiantar. Bulletin of Community Engagement, [S. l.], v. 4, n. 2, p. 1–7, 2024. DOI: 10.51278/bce.v4i2.1089. Disponível em: https://attractivejournal.com/index.php/bce/article/view/1089. Acesso em: 8 may. 2026.