TY  - BOOK
AU  - Cohen, Louis
AU  - Manion, Lawrence 
AU  -  Morrison, Keith
TI  - Research Methods in Education
SN  - 9780415368780
U1  - 001.42 COH 
PY  - 2007///
CY  - London
PB  - Routledge and Francis Group.
KW  - Research Methods
N1  - Includes bibliographical references and index
ER  -