Magno, Jazzel B.       <br/><br/>
Usage of cellphone affects the academic performance of selected fourth year high school in Our Lady of Perpetual Succor College 

 - Marikina City 
 - 28 cm.  33 pages,  illustrations, 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--SHS Thesis
<br/><br/><label>LC Class. No.: </label>TK 6564   M198      /   2012