TY  - BOOK
AU  - Mangal, S. K.
AU  - Mangal, Shubhra
TI  - Research methodoogy in behavioural sciences
SN  - 9788120348080
U1  - 370.1 
PY  - 2019///
CY  - Delhi
PB  - PHI Learning
KW  - Research methodology
KW  - Social science
ER  -