AU  - Khanna,JK  .
AU  - Vashisht,KK  .
TI  - Knowledge, Evolution structure & research Methodology / 
SN  - 81 7000 005 X
U1  - 028 
PY  - 1985///
CY  - New delhi
PB  - Ess Ess Publication , 
KW  - Lib.sc
N1  - NULL
ER  -