Daza, Freddie L., <br/><br/>
Helmet activated safety device for motorcycle / 
Freddie L. Daza, Nanette G. Paunil, Reynaldo R. Rosales 
 - Nabua, Camarines sur :  Camarines sur Polytechnic Colleges ;  2012. 
 - 74 leaves 
<br/><br/>Undergraduate Thesis (BSECE) - Electronics Engineering