Olivia Tunita, L. (2022). Improving Learning Outcomes in Social Sciences Materials Scarcity as an Economic Problem through the Student Teams Achievement Division Model in Class VII.10 SMP Negeri 1 Cileungsi, Bogor Regency in 2017/2018. JURNAL KAJIAN ISLAM MODERN, 7(01), 42–59. https://doi.org/10.56406/jkim.v7i01.55