HAUPTMAN, Arthur M. Participation, Persistence, and Attainment Rates: The US Standing. International Higher Education, [S. l.], n. 52, 2008. DOI: 10.6017/ihe.2008.52.8023. Disponível em: https://ejournals.bc.edu/index.php/ihe/article/view/8023. Acesso em: 5 may. 2024.