PENINGKATAN PEMAHAMAN KONSEP MATEMATIS MELALUI MODEL STUDENT TEAMS ACHIEVEMENT DIVISIONS PADA PEMBELAJARAN MATEMATIKA FASE F. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 5, p. 8672 – 8681, 2026. DOI: 10.54314/785b8k84. Disponível em: https://goretanpena.com/jurnal/index.php/JSSR/article/view/7325.. Acesso em: 31 oct. 2026.