000 00279nam a2200109Ia 4500
100 _aCommercial Teacher;Vol 9 No.2
942 _cBK
654 _a
245 _aCommercial Teacher;Vol 9 No.2
_bApril,1978
260 _bSociety of Commercial Teacher Ltd.
_c1978
082 _a375.3805
999 _c416330
_d416330
041 _aeng