000
00290nam a22001217a 4500
003
OSt
008
121001t xxu||||| |||| 00| 0 eng d
100
_a
NCERT
_9
985
245
_a
Problem Book of Mathematics : Class X
260
_a
New Delhi
_b
NCERT
_c
1996
300
_a
130p
942
_2
ddc
_c
NCERT
999
_c
1352
_d
1352