TY  - BOOK
AU  - Mangal, S. K.
TI  - Teaching Of Physical And Life Science
U1  - 375.2 
PY  - 1990///
CY  - ARYA
PB  - New Delhi
KW  - Curriculam
KW  - Education
N1  - Includes Appendix, Bibloigraphy
ER  -