Silverman, David Doing qualitative research : a practical handbook / David Silverman. - 2nd ed. - London ; Thousand Oaks, Calif. : Sage Publications, 2005. - 395 p. : ill. ; 25 cm. Fakulti Keusahawanan dan Perniagaan ISBN: 9781412901970 Subjects--Topical Terms: Social sciences--Research--Methodology.