Polit, Denise F Essentials of nursing research appraising evidence for nursing practice Denise F. Polit, Cheryl Tatano Beck. - New Delhi Wolter Kluwer 2015 - xvii, 493p.; 25cm. ISBN: 9788184739114 Subjects--Topical Terms: Nursing research - Methodology. Dewey Class. No.: 610.73072 / P65E