LEONARD, L.; PUTRI, A. I. Development of a Mathematics Learning Module Using a Problem-Based Learning Approach for 7th-Grade Junior High School Students. Journal on Math and Science Educational Technology, [S. l.], v. 1, n. 2, 2026. Disponível em: https://eduresearch.web.id/index.php/jmset/article/view/77. Acesso em: 16 mar. 2026.