TY  - BOOK
AU  - Cohen,Louis
AU  - Manion,Lawrence
TI  - Research methods in education fourth edition louis cohenand lawrence manion
SN  - 0-415-10235-9
U1  - 370.72 
PY  - 1994///
CY  - New York
PB  - Routledge
KW  - Research
KW  - Education
ER  -