Polit, Denise F.
Essentials of nursing research: methods, appraisal, and utilization
Lippincott Williams & Wilkins, 2006
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Polit, Denise F.
Essentials of nursing research : methods, appraisal, and utilization
Lippincott , 1997
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Tappen, Ruth M.
Essentials of nursing leadership and management
F.A Davis, 1998
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Canadian essentials of nursing research
Lippincott , 2004
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Potter, Patricia A.
Basic nursing: essentials for practice
Mosby, 2007
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