TY  - BOOK
AU  - Singh,S.R.
TI  - Research methodology 
SN  - 8131313751 (hardcover)
PY  - 2012///
CY  - New Delhi
PB  - APH Publishing Corporation
UR  - http://www.amazon.com/exec/obidos/ASIN/8131313751/chopaconline-20
ER  -