SARI, N.; SURYA, E. Analysis Effectiveness of Using Problem Posing Model in Mathematical Learning. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 33, n. 3, p. 13–21, 2017. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7369. Acesso em: 3 may. 2024.