Powers, Bethel Ann, 1943- Dictionary of nursing theory and research / Bethel Ann Powers, Thomas R. Knapp. - 4th ed. - New York : Springer Pub. Co., 2011. - xv, 228 p. : ill. ; 23 cm. ISBN: 9780826106650 RM144.00 Subjects--Topical Terms: Nursing TheoryNursing research Index Terms--Genre/Form: Dictionary