Polit, Denise F. & Beck, Cheryl Tatano Essentials of Nursing Research : Methods , Appraisal, And Utilization By Denise F. Polit, Cheryl Tatano Beck - Sixth Edition - Philadephia Lippincott Williams & Wilkin 2006 - vii, 327 pages, 23 cm. include appendix ISBN: 0-7817-7679-1 Dewey Class. No.: 610.7 P75 2006