TY  - BOOK
ED  - National Council of Educational Research and Traning (New Delhi, India)
TI  - General Science Hand book of Activities: class vi-viii 
U1  - 507 
PY  - 1964///
CY  - New Delhi
PB  - N. C. E. R. T.
KW  - Science
KW  - Handbooks, manuals, etc
ER  -