000 00339nam a2200145Ia 4500
020 _a0434984809
082 _b1633
_a380
100 _a"Geoffrey Whitehead"
245 0 _aCommerce made simple
260 _bLondon Heinemann 1985
_c2000
300 _a315
944 _cTR
999 _c600984
_d600984