TY  - BOOK
AU  - Yesodharan, E P
TI  - Proceedings of 22nd Kerala Science Congress
U1  - 372.35 
PY  - 0000///Thiruvanthapuram
CY  - 2010
PB  - Kerala State Council for Science Technology and Environment
KW  - Social Science
KW  - Elementary educationGeneralia
KW  - Reference Reading Room
ER  -