TY  - BOOK
AU  - LAYDER,DEREK
TI  - NEW STRATEGIS IN SOCIAL RESEARCH / 
U1  - 301.072 
PY  - 1993///
CY  - [S.N] : 
PB  - POLITY PRESS ، 
KW  - SOCIAL SCIENCE
KW  - SOCIAL RESEARCH
ER  -