Doff, Adrian. Language in use : pre-intermediate: Self-study workbook with answer key / Adrian Doff and Christopher Jones. - New ed. - New York : Cambridge Univ. Press, 2000. - 95 p. : ill. ; 28 cm. ISBN: 0521774055 9780521774055 Subjects--Topical Terms: English language--Textbooks for foreign speakers. LC Class. No.: PE1128 Dewey Class. No.: 428.24 D676l 2000 C-