5 1 10 Suwatno Additional Author mixed material 9789790618589 Jakarta Salemba Empat 2019 mastering public speaking how to prepare and deliver a succesful speech or presentation Nicholls, Anne Additional Author mixed material 0717297349 Grolier International 1998 Bovee, Courtland L. Additional Author Thill, John V. Additional Author Prastuti, Doddi Additional Author Widiastuti, Hartati Additional Author mixed material 979683829X PT Indeks 2008 process & product = Komunikasi Bisnis : proses & produk. Jilid 2 Budi, Ichsan Setyo Additional Author Yon, Kwan Men Additional Author Guffey, Mary Ellen Additional Author Rhodes, Kathleen Additional Author Rogin, Patricia Additional Author mixed material 979691302X Jakarta Salemba Empat 2006 Dewi, Sutrisna Additional Author mixed material 9789792900583 Yogyakarta Andi 2007