000
00254nam a2200109Ia 4500
008
190719s9999 xx 000 0 und d
100
_a
S P Singh
245
0
_a
Sankhiyiki ke mool tatva
260
_a
New Delhi
_b
S Chand
_c
1987
650
_a
Math
942
_c
BK
999
_c
5921
_d
5921