Merriam, Sharan B. Case study research in education : a qualitative approach / Sharan B. Merriam. - San Francisco : Jossey-Bass, 1988 - xx, 226 p. ; 24 cm Bibliography. ISBN: 1555421083 Subjects--Topical Terms: Education--ResearchCase method Dewey Class. No.: 370.78 / M531C 1988