Project and circuits /  
by staff of electronic enthudiasts. 
 - Manila:  Electronics Hobbyists Publishing House,  1984. 
 - 164 p.  ill. 
 -  vol. 3 .
<br/><br/>
<br/><br/><label>ISBN: </label>9789718978023 
<br/><br/><label>Dewey Class. No.: </label>ST 621.38412  / E25 C19 c.14