TY  - GEN
AU  - Babbie, Earl 
TI  - The practice of social research
SN  - 9788131520116
U1  - 300.72 
PY  - 2015///.
CY  - new Delhi : 
PB  - Cengage learning, 
KW  - Social research
KW  - Politics
KW  - Sampling logic
KW  - Field research
N1  - It includes bibliographical reference and index
ER  -