TY  - BOOK
AU  - Rao, Digumarti Bhaskara.
TI  - Scientific Attitude Scientific Aptitude and Achievement  
SN  - 8171417817
U1  - 373.18095484 
PY  - 2004///
CY  - New Delhi : 
PB  - Discovery Publishing House , 
KW  - Secondary education
ER  -