JAINAB, Jainab; LISNASARI, Srie Faizah; MULIANI, Eti; TINDAON, Juwita. Educational Management At Harapan Mandiri Private Elementary School in Medan. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 7, n. 2, p. 1756–1765, 2023. DOI: 10.31004/obsesi.v7i2.3966. Disponível em: https://obsesi.or.id/index.php/obsesi/article/view/3966. Acesso em: 25 sep. 2026.