TY  - BOOK
AU  - Jain, goplal lal  .
TI  - Research methodology  methods tools and techniques / 
SN  - 81-7594-127-8
U1  - T48 
PY  - 2003///
CY  - Jaipur : 
PB  - Mangal Deep Publications , 
KW  - methods for research
ER  -