TY  - BOOK
AU  - Mangal, S. K.
AU  - Mangal, S. K.
TI  - Research methodology in behavioural sciences
SN  - 978-81-203-4808-0
U1  - 301.32072 
PY  - 2019///
CY  - Delhi
PB  - PHI Learning Pvt. Ltd.
ER  -