Hewings, Martin Advanced grammar in use a self study reference and practice book for advanced learners of english with answers - 2nd ed. - New Delhi Cambridge University Press 2005 - ix,294 p. Illustration with CD-ROM ISBN: 9780521731447 Subjects--Topical Terms: EnglishGRAMMARLANGUAGES Dewey Class. No.: 428 / HEW