KURI, C. M. B. Planning Of Educational Systems Type Sinppe. International Business & Economics Research Journal (IBER), [S. l.], v. 5, n. 9, 2006. DOI: 10.19030/iber.v5i9.3508. Disponível em: https://clutejournals.com/index.php/IBER/article/view/3508. Acesso em: 17 jul. 2024.