BOLLAG, Burton. Student Loans: A Slippery Lifeline. International Higher Education, [S. l.], n. 27, 2002. DOI: 10.6017/ihe.2002.27.6974. Disponível em: https://www.ejournals.bc.edu/index.php/ihe/article/view/6974. Acesso em: 29 apr. 2026.