TY  - BOOK
AU  -  Mangal, S. K. 
AU  - Mangal, Shubhra 
TI  - Research Methodology in behavioural Science
SN  - 9788120348080
U1  - 001.42  22
CY  - Delhi
PB  - PHI Learning pub.
KW  - Research Methodology: Research Methodology
UR  - https://books.google.com.bd/books?id=uaVbAAAAQBAJ&printsec=copyright&redir_esc=y#v=onepage&q&f=false
ER  -