Concepcion, George A.  <br/><br/>
A report, 12th central Luzon region scout jamboree camp kainomayan, barangay San Juan, Botolan, Zambales / 
George A. Concepcion. 
 - Philippines;  	  Publishers Association of the Philippines, Inc.,  October 2018. 
 - Volume 66, pages 189-191,   illustration.