Willis, Jerry. Foundations of qualitative research : interpretive and critical approaches / Jerry W. Willis. - Thousand Oaks : Sage Publications, c2007. - xxiv, 367p. : ill. ; 24 cm. Includes index. Includes bibliographical references. ISBN: 9781412927413 (pbk.) Subjects--Topical Terms: Social sciences--Research. LC Class. No.: H62 / WIL