TY  - BOOK
AU  - Mangal, S K 
AU  - Mangal, Shubhra
TI  - Research methodology in behavioural sciences/ 
SN  - 978-81-203-4808-0
U1  - 001.42 MAN/R 
PY  - 2023///
CY  - Delhi
PB  - PHI Learning Private Limited.
ER  -