TY  - BOOK
AU  - Sharma,B.K
AU  - Bukhalov ,B.I
ED  - N C E R T(New Delhi)
TI  - Improvising science teaching kits for school
U1  - 507.2 
PY  - 1972///
CY  - New Delhi
PB  - N C E R T
KW  - Education
KW  - Study and teaching
ER  -