Edwin E. Valenzuela, M.A. <br/><br/>
Introduction to World Geography (with Geo-Politics) 

 - Quezon City, Philippines  Great Books Trading  2017 
 -  c.4 .
<br/><br/> https://docs.google.com/spreadsheets/d/1jerId3QV9HxaApXTFIIBJuoCetb2Y-l5kZKVQ-XU9jA/edit?gid=0#gid=0 
<br/><br/><label>ISBN: </label>9789719645344 
<br/><br/><label>Dewey Class. No.: </label>Fil.910V23i/2017/c.4