TY  - BOOK
AU  - Mangal,S K
TI  - गणित शिक्षण/Teaching of Mathematics
SN  - 8170632994
U1  - 370.102 024 51 MAN 
PY  - 2007///
CY  - New Delhi 
PB  - Arya Book Depot
KW  - Teaching of Mathematics
ER  -