TY  - BOOK
AU  - Vecchione, Glen
AU  - Series.
AU  - Title.
TI  - 100 first-prize
SN  - 9788172451974
AV  - 507.8 
CY  - New Delhi
KW  - Science -- Experiments -- Methodology
KW  - Science projects
N1  - Includes index
ER  -