GUSKEY, T. R. How’s My Kid Doing?: A Parent’s Guide to Grades, Marks, and Report Cards. Education Review, [S. l.], 2015. DOI: 10.14507/er.v0.224. Disponível em: https://edrev.asu.edu/index.php/ER/article/view/224. Acesso em: 13 may. 2024.