Jackson, Sherri L. Research methods and statistics: a critical thinking approach - 5th. ed. - USA : Cengage Learning, c2016. - xix, 508p. © 2016, 2012, 2009 Cengage Learning. ISBN: 978-1-305-25779-5 1-305-25779-0 Subjects--Topical Terms: Research methods.Statistics. National Library of Medicine Call No.: WA 20.5