Bogdan, Robert. Qualitative research for education : an introduction to theory and methods / Robert C. Bogdan, Sari Knopp Biklen. - 2nd ed. - Boston : Allyn and Bacon, c1992. - x, 262 p. : ill. ; 24 cm. Includes bibliographical references (p. 244-258) and index. ISBN: 0205132669 LCCN: 91000719 Subjects--Topical Terms: Education--Research. LC Class. No.: LB1028 / .B56 1992 Dewey Class. No.: 370/.7/8