Soars, John. Headway student's book : advanced / John & Liz Soars. - Oxford : Oxford University Press, 1992 - 156 p. : ill. ; 28 cm. ISBN: 0194335658 : 248 baht Subjects--Topical Terms: English language--Grammar--Problems, exercises, etcEnglish language--Usage Dewey Class. No.: 428 / S713H 1992