000 00311nam a2200133 4500
003 OSt
008 220602b |||||||| |||| 00| 0 eng d
082 _a372.7
_bCHE
245 _aChecking up 1
260 _bNuffiena mathematics,
_c1970
300 _a50p.;
_c18cm
650 0 _aSocial Sciences
942 _2ddc
_cLM
999 _c139241
_d139241