TY  - BOOK
AU  - Stewart David W
TI  - Secondary research :  Information sources and methods
T2  - Applied Social Research Methods Series, 4
SN  - 08039323384
U1  - Sigma:f, M4 
PY  - 1984///
CY  - California
PB  - Sage Publications USA      
KW  -  RESEARCH METHODS
KW  - SOCIAL SCIENCES
ER  -