000 00337nam a2200133Ia 4500
008 240201s9999 xx 000 0 eng d
082 _a510 KUM
100 _aKUMAR, SURENDRA
245 0 _aPEARL'S BOOK OF MENTAL MATHEMATICS -1
260 _bPEARL (INDIA) PUBLISHING HOUSE PVT LTD.,
300 _a80
650 _aMATH
942 _2ddc
_cBK
999 _c5374
_d5374