TY  - BOOK
AU  -  Kothari, C R.
TI  - Research methodology: methods and techniques
SN  - 0852264771
U1  - 001.42 
PY  - 1994///
CY  - Delhi
PB  - Wiley
KW  - Research methodology
UR  - https://books.google.co.in/books/about/Research_Methodology.html?id=5kJetwEACAAJ&redir_esc=y
ER  -