TY  - BOOK
AU  - Yadav, M. S.
TI  - Encyclopaedia of teaching of science: M S Yadav
SN  - 8126104945
U1  - 507.03 
PY  - 2000///
CY  - New Delhi : 
PB  - Anmol publishing, 
KW  - Science
ER  -