TY  - BOOK
AU  - S.Choudhary, 
TI  - Teaching of Biology / 
SN  - 81-7648-523-3
U1  - 570.71 
PY  - 2004///
CY  - New Delhi
PB  - APH
KW  - Education-Biology
KW  - Life sciences
N1  - Includes index
ER  -