TY  - BOOK
AU  - Bhatt, M I.
TI  - Science and Technology: Semester1 (Std. 9)  
SN  - 0
U1  - 600 
PY  - 2011///
CY  - Gandhinagar : 
PB  - Gujarat State Board of School Textbooks , 
KW  - Science and Technology
ER  -