000 00368nam a2200145Ia 4500
020 _a9780195846669
082 _bT-604
_a420
100 _a"Lii Betsy"
245 0 _aModern Certificate Guides Certificates Commerce
260 _bMarchall Cavedish
_aSingapore
_c1976
300 _a170
944 _cTB
999 _c159896
_d159896