000 00225 a2200097 4500
001 90205
082 _a510 SCH
090 _c42546
_d42546
245 _aBig book of fun with math
260 _aNew delhi
_bViva Books Pvt ltd
_c2004
942 _aNUST-CAE
_k510 SCH
999 _c325278
_d325278