Howe, Brian. Portfolio : case studies for business English / Brian Howe - Harlow : Longman, 1987. - 2 v : ill., maps, facsims. ; 25 cm V.2 Teacher's guide ISBN: 0582852463 0582852471 Subjects--Topical Terms: English language--Business English LC Class. No.: PE1128 Dewey Class. No.: 808/.066651021