Flick, Uwe. An introduction to qualitative research / by Uwe Flick. - 4th ed / . - London : Sage Publications , 2009. - xxi, 504p. : ills. figs ; 24cm . Includes index ISBN: 9788132105688 RS575.00 Subjects--Index Terms: QUALITATIVE RESEARCH Dewey Class. No.: 001.42 / FLI/I