000
00270nam a2200109Ia 4500
008
230210s9999 xx 000 0 und d
100
_a
Kumar, Puneet
_9
14622
245
0
_a
Teaching of Mathematics
260
_b
Surya Publication
_c
2007
300
_a
135
942
_c
BK
999
_c
118539
_d
118539