Masajo, Emma M. <br/><br/>
Perceived effects of using physics essentials portfolio (PEP) and digital video disc (DVD) lectures on students achievement in physics 
Emma M. Masajo 
 - San Pablo City   Laguna State Polytechnic University  2012 
 - xv, 96p. 
<br/><br/>Master of Arts 
<br/><br/><label>LC Class. No.: </label>CD-01955t