Vai, Marjorie. <br/><br/>
English on call :  software manual and workbook answer keys : level three / 
by Marjorie Vai, Victoria F. Kimbrough. 
 - New York, N.Y. :  McGraw-Hill,  1994. 
 - iii, 91 p. :  ill. ;  28 cm. +  1 floppy disk. 
<br/><br/> Includes IBM 3.1/2 software and site-license agreement. 
<br/><br/>English On call software--Operating the program--Required equipment. 
<br/><br/><label>ISBN: </label>0078325463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.