Rossman, Gretchen B. (An) introduction to qualitative research : learning in the field / Gretchen B. Rossman, Sharon F. Rallis - 4th ed. - Sage Publications 2017 26264 ISBN: 9781506307930 Source: Inv-2016-08-24 Subjects--Topical Terms: Qualitative reasoningQualitative research LC Class. No.: H / 62