FREEMAN, A.; TANG, H.; GEARY, J. Understanding Mathematics Instructors’ Perceptions of OER: A Mixed Methods Study. Journal of Open Educational Resources in Higher Education, [S. l.], v. 1, n. 1, p. 145–162, 2022. DOI: 10.13001/joerhe.v1i1.7147. Disponível em: https://journals.uwyo.edu/index.php/joerhe/article/view/7147. Acesso em: 25 apr. 2024.