TY  - BOOK
AU  - Cohen,Louis
AU  - Manion,Lawrence
TI  - Research methods in education
SN  - 0415044103
PY  - 1989///
CY  - London
PB  - Routledge
KW  - Education
KW  - Research
KW  - Great Britain
N1  - Includes bibliographical references (p. 382-400) and index
ER  -