Jannah, Siti Rohmatul, Ariana Epi Antoh, Savira Aisah Purwandini, Maulida Rizqi Istiqomah, Ganes Gunansyah, and Durrotun Nafisah. 2026. “The Effectiveness of Group-Based Learning in Improving Elementary students’ Social Studies Learning Outcomes and Cooperative Attitudes”. Harmoni Sosial: Jurnal Pendidikan IPS 13 (2):314-25. https://doi.org/10.21831/hsjpi.v13i2.69587.