na INLIS000000000004808 20260702102829 0010-0621000752 ta 260702 0 ind 979-691-293-7 650 650 GUF b Guffey Mary Ellen Business Communication Proses and Product Buku 1 / Guffery Marry Ellen ed.4 Jakarta : Salemba Empat, 2006 393 hlm ; 25 cm komunikasi bisnis Rhodes Kathleen Rogin Patricia Kelas 650 00000005881 00000005882 00000005883