TY - BOOK ED - Guy Brook- Hart TI - Business benchmark upper- intermediate : student's book [with 1 CD-ROM and 2 Audio CDs] SN - 9780521743723 CY - New Delhi KW - Business communications KW - Business english KW - English Business english KW - Vocabulary, Grammar and skills Business english KW - Writing and speaking -- Business english N1 - CD3407, 3408, 3409 ER -