Contemporary world 

 - Mandaluyong : Books atbp: Publishing corp  2019 
 - 254 pages  illustration ;  22cm 
<br/><br/>Include reference. 
<br/><br/><label>ISBN: </label>978-621-409-142-3 
<br/><br/><label>LC Class. No.: </label>FIL D 421 .C66 2019b c.1