@book{17917,
	author = {Hilario, Abelord D.},
	title = {Investigating the covid-19 contact tracing data of Laoag City using social network analysis /},
	publisher = {2022.},
	year = {MMSU,},
	address = {City of Batac :},
	note = {Thesis (BS Mathematics) -- Mariano Marcos State University - College of Arts & Sciences, City of Batac, 2022.}
}