QONITA, Qonita; KARDO, Rici; WAE, Rahmawati. HUBUNGAN SIBLING RIVALRY TERHADAP MOTIVASI BERPRESTASI PESERTA DIDIK SMP NEGERI 2 KOTO BARU. Jurnal Manajemen Pendidikan, [S. l.], v. 10, n. 3, p. 1277–1288, 2025. DOI: 10.34125/jmp.v10i3.759. Disponível em: https://ejurnal.stkip-pessel.ac.id/index.php/jmp/article/view/759. Acesso em: 16 nov. 2025.