Development of Number Puzzles on KPK And FPB Materials to Improve Mathematics Learning Outcomes. Journal Evaluation in Education (JEE), [S. l.], v. 6, n. 3, p. 832–842, 2025. DOI: 10.37251/jee.v6i3.1754. Disponível em: https://cahaya-ic.com/index.php/JEE/article/view/1754. Acesso em: 19 may. 2026.