TY  - BOOK
AU  - Purohit, H.C.
TI  - Research Methodology: Tools & Techniques
SN  - 978-81-8329-361-7
U1  - 307.2 
PY  - 2009///
CY  - New Delhi
PB  - Shree Pub. & Dis.
KW  - Physics
ER  -