TY  - BOOK
AU  - Yadav, M. S.
TI  - Teaching science at higher level
T2  - Encyclopaedia of teaching of science series
SN  - 8126105224
U1  - 372.35044 TEA 
PY  - 2000///
CY  - New Delhi
PB  - Anmol Publications
N1  - Includes bibliographical references
ER  -