TY  - BOOK
AU  - Dixit, I. G.
TI  - Environment : Competency Based Textbook (Std. 4)  
SN  - 0
U1  - 372.357 
PY  - 2004///
CY  - Gandhinagar : 
PB  - Gujarat State Board of School Textbooks , 
KW  - Environmental Science
ER  -