00317nam a2200109Ia 4500008004100000020001800041100002100059245003900080250001300119260004000132650003500172191111s9999||||xx |||||||||||||| ||und||  a9788177588590  aLeech, Geoffrey  2aA Communicative Grammar of English  a3RD ED.   bOrient Blackswan aNew Delhi c2009  aCommunicative English Grammar