Cohen,Louis,
Research methods in education/ Textual Documents Louis Cohen and Lawrence Manion - London: Croom Helm, c1980. - 383p.
0-7099-3438-6
Education- Research Education- research- Great Britain
370.78
Research methods in education/ Textual Documents Louis Cohen and Lawrence Manion - London: Croom Helm, c1980. - 383p.
0-7099-3438-6
Education- Research Education- research- Great Britain
370.78