Luceą, Jason P., <br/><br/>
Knock-operated keyless door lock/ 
Jason P. Luceą, Randy N. Moit, Sheila O. Neri 
 - Nabua, Camarines Sur :  Camarines Sur Polytechnic Colleges ;  2002. 
 - 125 leaves. 
<br/><br/>Undergraduate Thesis (BSECE) - Electronics Engineering