@book{70915,
	author = {Valencia, Kari and Valencia, Kari},
	title = {Study on the effects of the use of Cell Phone among OLOPS Student in the 2nd Semester of School Year 2003-2004, A/},
	publisher = {OLOPSC , },
	year = {c2004},
	address = {Marikina City:},
	note = {Includes appendices and bibliography.}
}