Guadalupe, Jerly R., <br/><br/>
Cellphone proximity-monitoring device/ 
Jerly R. Guadalupe, Ramon Anthony V. Regino, Nino B. Tabayag 
 - Nabua, Camarines Sur :  Camarines sur Polytechnic Colleges ;  2005. 
 - 59 leaves. 
<br/><br/>Undergraduate Thesis (BSECE) - Electronics Engineering