Principles of economics / 
Grace Lee Hooi Yean ... [et al.] 
 - Subang Jaya, Selangor :  SJ Learning,  2018. 
 - xxvi, 551 p. :  col ill ;  26 cm. 
<br/><br/> Includes bibliographical references and index   
<br/><br/><label>ISBN: </label>9789671344071  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Problems, exercises, etc. <br/>Economics--Study and teaching.