00000nam 2200000 4500 INLIS000000000018424 20241113093155 0010-1124000090 ta 241113################g##########0#eng## 0 534 05724 1 428.2 428.2 GUF b Guffey, Mary Ellen Business English / Mary Ellen Guffey Massachusetts : Kent Publishing Company, 1986 352 halaman : ilus ; 28 cm Language Learning 22984