000 00306nam a2200121Ia 4500
008 220201s1979 xx 000 0 eng d
082 _a658
_bBAL
100 _aBalasubrahmanyan (M)
245 0 _aBusiness communications .
260 _bVikas Publishing House
_aNew Delhi
_c1979
300 _a234
942 _2ddc
999 _c4198
_d4198