TY  - BOOK
AU  - Yadav, M.S.
TI  - Teaching of science
SN  - 8170416329
U1  - 507 YAD 
PY  - 2000///
CY  - New Delhi
PB  - Anmol publication PVT. LTD
KW  -  Science
KW  - Study and teaching (Elementary)
KW  - Great Britain
ER  -