00538nam a2200157Ia 4500 13455 20261006004521.0 120911s9999 xx 000 0 und d 0176415033 658.45 GUF Guffey, Mary Ellen. 2344 Essentials of business communication / Mary Ellen Guffey.- 5th ed Canadian edition Canada : Nelson, 2007 xix, 520 p: ill(some col.) ; 28 cm. Business writing English language--Business English Business communication 10501 13455 13455 0 0 0 0 NU NU 2012-09-11 6 1 658.45 GUF 14898 2016-04-20 00:00:00 2016-04-01 2012-09-11 OS