TY - BOOK AU - Murphy,Raymond TI - Essential grammar in use:: a self-study reference and practice book for elementary students of English: with answers SN - 9780521675437 PY - 2007/// CY - Cambridge PB - University of Cambridge KW - Englis language KW - Grammar KW - Study and teaching KW - English language KW - Examinations, questions N1 - Includes index ER -