TY  - BOOK
AU  - Mangal, S.K.
AU  - Mangal, Shubhra
TI  - Research methodology in behavioural sciences
SN  - 9788120348080
U1  - 300.72 
PY  - 2015///
CY  - Delhi
PB  - PHI Learning
N1  - Includes bibliographical references and index
ER  -