Vai, Marjorie. <br/><br/>
The heart of the matter :  high-intermediate listening, speaking, and critical thinking / 
Marjorie Vai ; teacher's notes by Robyn Vaccara. 
 - Boston :  Heinle & Heinle,  c1998. 
 - ix, 174 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0838478573 9780838478578 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Critical thinking--Problems, exercises, etc.<br/>English language--Spoken English--Problems, exercises, etc<br/>English language--Textbooks for foreign speakers