Salazar, Francis L.  <br/><br/>
Cellphone usage affects the academic performance of the selected high school students in Our Lady of Perpetual Succor College SY 2011-2022 

 - Marikina City  February 2012 
 - 37 pages,  illustrations,  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--SHS Thesis
<br/><br/><label>LC Class. No.: </label>TK 6564   S165      /   2012