000			00281 a2200121 4500
020			_a0862772273
041			_aEn
245			_aCertificate business calculations
250			_a2nd ed.
260			_c1989 _aLondon _bBPP Publishing _g1989
300			_c29cm. _axii , 243 p.
942			_cLN
999			_c25996 _d27543