Hernandez, Adonis P., <br/><br/>
A vacuum blackboard eraser/ 
Adonis p. Hernandez, Jeovani Y. Monte, Rommel P. Nonato 
 - Nabua, Camarines Sur :  Camarines Sur Polytechnic Colleges ;  2002. 
 - 41 leaves 
<br/><br/>Undergraduate Thesis (BSEE) - Electrical Engineering