Development and validation of electrical matching board in relating electrical symbols to components 
Warren Gatchalian... [et.al] 
 - x, 61 leaves   col. ill.  28 cm 
<br/><br/> Undergraduate Thesis (BTLED - Industrial Arts) - Nueva Vizcaya State University 
<br/><br/>Includes appendices & bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical matching board<br/>Symbols