000
00319nam a22001337a 4500
999
_c
3843
_d
3843
008
170405b xxu||||| |||| 00| 0 eng d
020
_a
8170417201
082
_a
371.102
100
_a
Kumar, Sudhir
245
_a
Teaching of mathematics
260
_a
New Delhi
_b
Anmol Pub.
_c
1997
300
_a
285p. :
942
_2
ddc
_c
BK