The Sage handbook of social research methods / edited by Pertti Alasuutari, Leonard Bickman, Julia Brannen. Alasuutari, Pertti. ed. Bickman, Leonard. ed. Brannen, Julia. ed. 300.72 SAG Includes bibliographical references and index. London : Sage, 2008. 2008. 2008 Text xvi, 631 p. : eng