WYNN, C. T.; MOSHOLDER, R. S.; LARSEN, C. A. Promoting Postformal Thinking In A U.S. History Survey Course: A Problem-Based Approach. Journal of College Teaching & Learning (TLC), [S. l.], v. 13, n. 1, p. 1–20, 2016. DOI: 10.19030/tlc.v13i1.9567. Disponível em: https://clutejournals.com/index.php/TLC/article/view/9567. Acesso em: 24 jan. 2022.