@book{18784,
	author = {Patton, Michael Quinn.},
	title = {Qualitative research & evaluation methods :},
	publisher = {SAGE Publications :},
	year = {©2014.},
	address = {Thousand Oaks, Calif.  :},
	edition = {Fourth edition.},
	note = {Revised edition of the author's Qualitative evaluation methods.}
}