TY  - BOOK
AU  - Cohen,Louis
TI  - Educational research in classrooms and schools: a manual of materials and methods 
SN  - 0063180472
U1  - 370.7 23
PY  - 1976///
CY  - London, New York
PB  - Harper & Row
KW  - Education
KW  - Research
N1  - Includes bibliographies and index
ER  -