@book{48607,
	author = {Patton, Michael Quinn. and Patton, Michael Quinn.},
	title = {Qualitative research and evaluation methods /},
	publisher = {Sage Publications,},
	year = {c2002.},
	address = {Thousand Oaks :},
	edition = {3 ed.},
	note = {Rev. ed. of: Qualitative evaluation and research methods. 2nd ed. 1990.}
}