Haberman, Shelby J. Analysis of Qualitative Data / Sh,J. Haberman. - New York : Academic Press, Inc., 1979. - vol. - New Developments . Includes Bibliographical References and Indexes v.2, (1979,612p.,tables) ISBN: 0-12-312502-2(v.2) Subjects--Topical Terms: Վիճակագրություն