TY  - BOOK
AU  - Bulmer,Martin  .
TI  - Sociologocal research methods : an introduction / 
SN  - 0333373456
U1  - 301.072 
PY  - 1977///
CY  - London : 
PB  - Macmillan , 
KW  - SOCIAL SCIENCE
N1  - Includes bibliography
ER  -