31 1 20 Betty Schrampfer Azar Additional Author mixed material New York Pearson Education 2002 Betty Schrampfer Azar Additional Author mixed material New York Pearson Education 1999 Betty Schrampfer Azar Additional Author Stacy A. Hagen Additional Author mixed material New York Pearson 2006 Beverly Derewianka Additional Author mixed material England elit 2011 Raymond Murphy Additional Author mixed material USA Cambridge University Press 1998 Otto Jespersen Additional Author mixed material London George Allen & Unwin Ltd 1968 Louise Droga Additional Author Sally Humphrey Additional Author mixed material Australia Target Texts 2003 Caroline Nixon Additional Author Michael Tomlinson Additional Author mixed material USA Cambridge University Press 2003 Scott Thornbury Additional Author mixed material New York Oxford University Press 2005 Dilin Liu Additional Author Peter Master Additional Author mixed material USA TESOL 2003 Claude W. Faulkner Additional Author mixed material New York Charles Scribner\'s Sons 1952 Betty Schrampfer Azar Additional Author mixed material USA Pearson 1999 Scott Thornbury Additional Author mixed material New York Longman 2006 Tata Bahasa Bahasa Inggris Drs. Akhmad Kardimin, M. Hum Additional Author mixed material Yogyakarta Pustaka Pelajar 2009 Francis Katama Additional Author mixed material New York St Martin\'s Press 1993 Lubna Alsagoff Additional Author mixed material Singapore Pearson 2008 Slamet Riyanto Additional Author mixed material Yogyakarta Pustaka Pelajar 2010 IMAM BAEHAQI Additional Author mixed material Yogyakarta Pustaka Pelajar 2006 Tata Bahasa Inggris Modern Windy Novia, S.Pd Additional Author mixed material Wacana Intelektual 2008 Raymond Murphy Additional Author mixed material USA Cambridge University Press 1990