@book{57886,
	author = {Creswell, John W. and Cho, Heungsik (曺興植)},
	title = {질적 연구방법론 : 다섯 가지 접근 = Qualitative research methodology: },
	publisher = {Hakji Branch,},
	year = {2015.},
	address = {Seoul:},
	edition = {(3rd ed.)}
}