00524 a2200169 4500 DLC DLC 808.06665 Guffey, Mary Ellen. Essentials of business communication Mary Ellen Guffey. 6th ed. Mason, Ohio : Thomson/South-Western, c2004. xxxii, 511 p. : ill. (some col.) ; 28 cm. Business writing. English language Business English. Business communication. BK 808.06665 GUF ddc 9958 9958 0 0 0 0 NFIC CL CL GEN 2006-10-10 Academic Book Company 2743.66 2 808.06665 GUF SEECS007606 2022-02-01 2018-10-04 2017-01-05 BK