Whitney, Norman <br/><br/>
Open doors :  student's book 3 / 
Norman Whitney 
 - Oxford :  Oxford Univ. Press,  c1995 
 - 119 p. :  col. ill. ;  30 cm. +  1 workbook 
<br/><br/><label>ISBN: </label>0194356086 9780194356084 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for second language learners<br/>English language--Textbooks for foreign speakers