TY  - BOOK
AU  - Bhattacharya,P.K.
ED  - National Council of Educational Research and Training (New Delhi, India)
TI  - Science and technology education through exhibitions
U1  - 507 
PY  - 1991///
CY  - New Delhi
PB  - National Council of Educational Research and Training
KW  - Education
KW  - India
KW  - Science
KW  - Exhibitions
ER  -