TY - BOOK AU - De Vera, Chelsie Marie R. TI - Perceptions of grade 7 students on the advantages and disadvantages of using cellphones AV - PGS HQ 784.P64 .D491 2004 PY - 2004/// CY - Las Piñas City, Philippines : PB - Southville International School and Colleges KW - Cell phones KW - Social aspects KW - Children KW - Technology KW - Mobile communication systems KW - Juvenile use KW - Psychological aspects N1 - Includes bibliographical references. ER -