5.Variation in English:Multi di mensional Studies[]..2001
6Kwan,B.S.C.The schematic structure ofliterature review in doctoral theses of applied linguistics[].English for Specific Purposes.2006
7Thomas,S,&Hawes,T.P.Reporting verbs in medical journal articles[].English for Specific Purposes.1994
8.The Language of Economics:The Analysis of Economic Discourse[].Modern English.1990
9Biber,D,Conrad,S.,Reppen,R.,Byrd,P.,&Helt,M.Speaking and writing in the University:A multidi mensional comparison[].Tesol Quarterly.2002
10Nwogu,K.N.Discourse Variationin Medical Texts:Schema,Theme and Cohesion in Professional and Journalistic Accounts[].Monographs in Systemic Linguistics.1990
