Lincoln, Yvonna S. Naturalistic inquiry / Yvonna S. Lincoln, Egon G. Guba. - Beverly Hills, Calif. : Sage Publications, c1985. - 416 p. : ill. ; 23 cm. Includes index. ISBN: 0803924313 Subjects--Topical Terms: Naturalism. Dewey Class. No.: 146 / LIN N85N