WATRAS, J. The Eight-Year Study: From Evaluative Research to a Demonstration Project, 1930—1940. Education Policy Analysis Archives, [S. l.], v. 14, p. 21, 2006. DOI: 10.14507/epaa.v14n21.2006. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/92. Acesso em: 19 apr. 2024.