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1
Challenges : a process approach to academic English / H. Douglas Brown, Deborah S. Cohen, Jennifer O Day.
Englewood Cliffs, N.J. : Prentice Hall Regents, c1991.
viii, 257 p. : ill. ; 24 cm.



2
Challenges : a process approach to academic English. Workbook / H Douglas Brown; Deborah S Cohen; Jennifer O Day.
Englewood Cliffs, New Jersey : Prentice Hall Regents, cop., 1993.
50 p. ; 28 cm.



3
Language assessment : principles and classroom practices / H Douglas Brown
White Plains, NY. : Pearson Education, 1999
XII, 324p. : Ill. ; 28 cm.



4
Principles of language learning and teaching / H Douglas Brown
White Plains, NY. : Pearson Longman, 2007
xiv, 410 p. : ill. ; 24 cm.



5
Principles of language learning and teaching / H. Douglas Brown.
White Plains, NY. : Longman, 2000
352p. ; 24cm.