Portugal, Richard R., <br/><br/>
Vacuum cleaner mobot with polisher/ 
Richard R. Portugal, Brian B. Silava, Ruel V. Villar 
 - Nabua, Camarines Sur :  Camarines Sur Polytechnic Colleges ;  2010. 
 - 115 leaves 
<br/><br/>Undergraduate Thesis (BSECE) - Electronics Engineering