NOSRAT, Azizollah; PARSAFAR, Abdulhamid. Effect of problem-solving based methods on critical thinking and academic achievement of math among students of saravan higher education centers. International Journal of Applied Mathematical Research, [S. l.], v. 7, n. 1, p. 1–6, 2017. DOI: 10.14419/ijamr.v7i1.8397. Disponível em: https://www.sciencepubco.com/index.php/ijamr/article/view/8397.. Acesso em: 3 may. 2024.