Instruction
References:Philosophies and Theories for Advanced Nursing Practice- Janie B. Butts
Alligood, M. R. (2014). Nursing theory: Utilization & Application (8th Ed.). United States, :Mosby
Walker, L. O. & Avant, K. C. (2011). Strategies for theory Construction in nursing (5th ed.).Upper Saddle River, NJ: Prentice Hall.