Salkind, Neil J. Exploring research / Neil J. Salkind - 4th ed. - Upper Saddle River, N.J. : Prentice Hall, c2000 - xxiv, 336 p. ; 28 cm. ISBN: 0130831549 Subjects--Topical Terms: Education--Research--MethodologyPsychology--Research--Methodology. Dewey Class. No.: 150.72 / SAL