TY  - GEN
AU  - Singh,Y.K.
TI  - Research methodology
SN  - 9788131302576(set)
U1  - 300.72 
PY  - 2008///
CY  - New Delhi
PB  - A P H  Pub.
KW  - Education
KW  - Research
KW  - Methodology
ER  -