Miles, Matthew B. Qualitative data analysis : a methods sourcebook / Matthew B. Miles, A. Michael Huberman and Johnny Saldana - 3rd ed. - Thousand Oaks, California : SAGE Publications, c2014. - xxiii, 381 p. : ill. ; 30 cm. ISBN: 9781452257877 LCCN: Subjects--Topical Terms: Social sciencesResearchEducation LC Class. No.: H62 / .M437 2014