Llorin, Conelyn C., <br/><br/>
Historical roots and development of Pio Duran, Albay / 
Conelyn C. Llorin. 
 - Iriga City:  University of Saint Anthony,  2024. 
 - xv, 118 leaves:  colored illustrations, tables, figures ; 
<br/><br/>Includes bibliographical references.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historical roots.<br/>Development.<br/>Significance.<br/>Informational material.
<br/><br/><label>Dewey Class. No.: </label>959.9  / L792