MUIZUDIN, M. Penerapan Strategi Learning Contract dalam Meningkatkan Hasil Belajar Siswa SMP. Jurnal Educatio FKIP UNMA, [S. l.], v. 7, n. 2, p. 332–341, 2021. DOI: 10.31949/educatio.v7i2.1014. Disponível em: https://ejournal.unma.ac.id/index.php/educatio/article/view/1014. Acesso em: 29 mar. 2024.