Punch, Keith. Introduction to social research quantitative and qualitative approaches Keith F. Punch. - 2nd ed. - London Thousand Oaks, Calif. SAGE 2005. - xvi, 320 p. ill. 25 cm. Previous ed.: 1998. Includes bibliographical references (p. [296]-308) and index. ISBN: 0761944176 (pbk.) LCCN: 2004099537 Nat. Bib. No.: GBA478437 Subjects--Topical Terms: Social sciences--Research. LC Class. No.: H62 / .P93 2005 Dewey Class. No.: 300.72 / P9841i2