The posting requires one reference from an English titled, peer reviewed NURSING journal less than 5 y/o. and a reference from the course textbook:
Polit, D. E & Beck, C. T. (2018). Essentials of nursing research: Appraising evidence for nursing practice(9th. ed.). Philadelphia, PA: Wolters Kluwer
Professional, governmental, or educational organizations (.org, .gov, or .edu) may be used as supplemental references.