@book{505224,
	author = {Andriani, Yosie, and Mohd Tajuddin Abdullah,},
	title = {Preventive medicine of covid-19 :},
	publisher = {Penerbit UMT, Universiti Malaysia Terengganu,},
	year = {2022},
	address = {Kuala Nerus, Terengganu :}
}