Pesquisa sócio educacional.
Series: Série Metodologias de pesquisa,; no. 2
Published: 1970
Place of publication: [São Luís
Language: por
Subjects: Social surveys -- Brazil -- Maranhão.; Educational surveys.
Notes: Cover title.
At head of title:  SUDEMA-Departamento Estadual de Estatística.  Programa Integrado de Pesquisas.