CHENG, Ji. The Strategies and Approaches for Cultivating Normal-school Mathematics Students’ Math Problem Solving Ability. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 5, n. 2, p. 26–31, 2017. DOI: 10.31686/ijier.vol5.iss2.420. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/420.. Acesso em: 6 feb. 2025.