00733nam a22001697a 450000500170000000800410001704000100005805000240006810000280009224501970012026000260031730000280034365000320037194200130040399900170041695201300043320250430151800.0220906b        |||||||| |||| 00| 0 eng d  cHSLRC  aTK 6564 bM198 2012  aMagno, Jazzel B.922520  aUsage of cellphone affects the academic performance of selected fourth year high school in Our Lady of Perpetual Succor College school year 2011-2012 /cJazzel B. Magno, Paul Bryan O.Maniling.  aMarikina City :c2012  a33 leaves ;b 28 cm.     aResearchvSHS Thesis956643  2lcccTHE  c84434d84434  00142lcc4070aHSLRCbHSLRCcTHE d2022-09-06oTK 6564   M198      2012pTHE0019HSr2025-05-23 00:00:00t1w2022-09-06yTHE