Improving mathematics learning outcomes of first-grade students with additional material using the STAD model at SDN Srengseng Sawah 04 South Jakarta. Kepompong Children Centre Journal , [S. l.], v. 1, n. 2, p. 117–128, 2024. DOI: 10.62031/gwz5cm21. Disponível em: https://journal.pp2a2023.org/index.php/kccj/article/view/35.. Acesso em: 4 oct. 2024.