TY  - BOOK
AU  - Bhaskara Rao, D.  .
TI  - Teacher training in science and technology education / 
SN  - 81-7141-577-6
U1  - T:3(F) 
PY  - 2001///
CY  - New Delhi : 
PB  - Discovery Publishing House , 
KW  - Technology
ER  -