1. 1. Dalton D, Mesch D (1990) the impacts of flexible scheduling
2. on employee attendance and turnover. Administrative Science
3. Quarterly 35: 370-387.
4. 2. Gordon S, Buchanan J, Bretherton T (2008) Safety in numbersnurse-to-patient ratio and the future of health care. New York:
5. Cornell University Press 13: 12-18.