000 00314 a2200133 4500
082 _a510
_bKRA
090 _c19883
_d30636
100 _aKraft, E
245 _aNumber work for school leavers
260 _aLondon
_bMethuen Educational LTD
_c1969
_g1969
300 _a80p.
_c21cm
650 _aMathematics
942 _cL
999 _c47571
_d47571