AMBARWATI, Tutik. PENINGKATAN MOTIVASI, KEDISIPLINAN, DAN PRESTASI BELAJAR IPS SISWA MELALUI METODE GROUP INVESTIGASI. JIPSINDO, [S. l.], v. 6, n. 1, p. 87–111, 2019. DOI: 10.21831/jipsindo.v6i1.24334. Disponível em: https://journal.uny.ac.id/index.php/jipsindo/article/view/24334. Acesso em: 3 jul. 2025.