000 00521nam a22001817a 4500
003 NUST - PNEC
005 20170116180823.0
008 150626b xxu||||| |||| 00| 0 eng d
020 _a-
040 _cLIBRARY
082 _a513 CON
100 _94241
_aConway, Donald
245 _aArithmetic skills and problem solving
_cDonald Conway and Martin J. Dreyfuss
260 _aNew York:
_bHarcourt, Brace & World, Inc.,
_cc1968.
300 _a453 p. :
_c22 cm.
650 _94242
_aMathematics study
_xME
942 _2ddc
_cBK
999 _c63813
_d63813