Bogdan, Robert. Qualitative research for education : an introduction to theory and methods / Robert C. Bogdan, Sari Knopp Biklen. - Boston : Allyn and Bacon, 1998. - xi, 253 p. : ill. ; 25 cm. Includes bibliographical references (p. 250-269) and index. ISBN: 0205275648 RM297.48 LCCN: 97-030859 Subjects--Topical Terms: Education--Research.Education--Research--Methodology