Fowler, Floyd J. Improving survey questions : design and evaluation / Floyd J. Fowler. - London : Sage, 1995. - (200)p ; 23 cm. - Applied social research methods series ; v.38. . Includes index and references. ISBN: 0803945833 £13.95 9780803945838 Nat. Bib. No.: GB95S0411 bnb Subjects--Topical Terms: Research.