Pole, Christopher. Practical social investigation : qualitative and quantitative methods in social research / Christopher J. Pole and Richard Lampard. - Harlow : Prentice Hall, 2002. - xiii, 322 p. ; 25 cm. Includes bibliographical references and index. ISBN: 0136168485 : No price 9780136168485 Nat. Bib. No.: GBA154369 bnb Subjects--Topical Terms: Social sciences--Research--Methodology.