DÍAZ-CHANG, Tamara; ARREDONDO, Elizabeth-Hernández. Assessing Difficulty Levels of Mathematical Tasks through Subjective and Behavioral Criteria. International Journal of Engineering Pedagogy (iJEP), [S. l.], v. 14, n. 7, p. pp. 159–175, 2024. DOI: 10.3991/ijep.v14i7.46175. Disponível em: https://online-journals.org/index.php/i-jep/article/view/46175. Acesso em: 15 nov. 2024.