000 00550nam a22001817a 4500
003 OSt
005 20260813084947.0
008 260813b |||||||| |||| 00| 0 eng d
020 _a9788172454715
040 _cHSLRC
050 _aQA 139
_b.S56 [2015]
100 _aSingh, Rajesh
_962533
245 _aGoodwill's skills builders challenging math problems /
_cby Rajesh Singh
260 _aNew Delhi, India :
_bGoodwill Publishing House,
_c[2015]
300 _a258 pages ;
_c28 cm
650 _aMathematics
_xProblems, exercises, etc
942 _2lcc
_cBK
999 _c99693
_d99693