Progress :  an English proficiency workbook / 
Teo Saw Choo... [et al.] 
 - Petaling Jaya :  Penerbit Fajar Bakti,  1987 
 - 2 v. :   ill., maps. ;   25 cm. 
<br/><br/><label>ISBN: </label>9679339459 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching (Secondary)