Bias, Arnel P., <br/><br/>
Duyan 5 / 
Arnel P. Bias, Myrna G. Rabina, Leonida L. Raden. 
 - Manila :  Vicarish Publications and Trading, Inc.,  2018. 
 - iii, 298 pages :  illustrations, tables, figures ;  27 cm. + 
<br/><br/>Yunit 1 - Masayang kapaligiran -- Yunit 2 - Mayamang kalikasan -- Yunit 3 - Marangal na mamamayan -- Yunit 4 - Maunlad na bansa. 
<br/><br/><br/>Tagalog 
<br/><br/><label>ISBN: </label>978-621-8030-30-5 
<br/><br/><label>Dewey Class. No.: </label>FIL 499.211  / B579