Nursing research : principles and methods /
Nursing research : principles and methods /
Denise F. Polit, Bernadette P. Hungler.
- 3rd ed.
- Philadelphia : J. B. Lippincott, 1987.
- xvii, 571 p. : ill. ; 25 cm.
0397546319
RT81.5 / .P64 1991
0397546319
RT81.5 / .P64 1991