TY  - BOOK
AU  - Sadhu A N
AU  -  Amarjit Singh
TI  - Research methodology in social sciences
U1  - Sigma:f, M3;M5 
PY  - 1985///
CY  - Bombay
PB  - Himalaya Publishing House India     
KW  -  SOCIAL SCIENCES
KW  - RESEARCH METHODS
ER  -