TY  - BOOK
AU  - Landayan, Grachielle 
AU  - George Patrick Castillo
TI  -    Effects of cell phone to high school students
AV  -   TK 6564   L253       2009 
PY  - 0000///March 122009///
CY  - Marikina City
KW  - Research
KW  - SHS Thesis
ER  -