Nacario, Samuel A. <br/><br/>
Improvised engine exhaust filter device/ 
Samuel A. Nacario, Marvin F. Lomenario, Marion Dexter S. Mora 
 - Nabua, Camarines Sur :  Camarines Sur Polytechnic Colleges ;  2009 
 - 78 leaves 
<br/><br/>Undergraduate Thesis (BSME) - Mechanical Engineering