SUDIRMAN, S.; HENDRIANI, S. UPAYA PENINGKATAN PRESTASI SISWA DI SMP NEGERI 7 SAWALUNTO. Jurnal Penelitian Ilmu Pendidikan Indonesia, [S. l.], v. 1, n. 2, p. 294–300, 2022. DOI: 10.31004/jpion.v1i2.56. Disponível em: https://jpion.org/index.php/jpi/article/view/56. Acesso em: 25 apr. 2026.