TY  - GEN
AU  - Cohen,Louis
AU  - Manion, Lawrence
AU  - Morrison, Keith
TI  - Research Methods in Education
SN  - 9780415583350 (hbk)
U1  - 370.72 22
PY  - 2011///
CY  - London
PB  - Routeledge
KW  - Education-Research
N1  - Includes bibliographical references (p.711-752) and index
ER  -