00774nam a22002297a 4500 75570 75570 20210325214028.0 s2015 eng d 9781412972123 NALT eng H 62 P32Q 2015 Patton, Michael Quinn 22347 Qualitative research & evaluation methods : integrating theory and practice / Michael Quinn Patton. 4th ed. Los Angeles : SAGE, 2015. 806 p. : ill. , tables ; 29 cm. Evaluation research (Social action programs) 22348 Social science 22349 Methodology NALT GB lcc