@book{70938,
	author = {Manalo, Gerijoy Nadine S.,  and Singson, Lanilyn A.},
	title = {Contribution of social media usage to the English language proficiency of Grade 10 students of Marikina Heights High School, Marikina City /},
	publisher = {OLOPSC, },
	year = {c2017},
	address = {Marikina City:},
	note = {Includes appendices and references.}
}