TY  - BOOK
AU  - COHEN,Louis
AU  - MANION, Lawrence
AU  - MORRISON, Keith
TI  - Research methods in education 
SN  - 0415368782 (pbk.)
PY  - 2011///
CY  - Oxon
PB  - Routledge
KW  - Education
KW  - Research
N1  - Includes bibliographical references and index
ER  -