1. 1. Akerstedt, T. (1995),"Work injuries and time of day - National data."Shiftwork Int. Newsletter,12, No.1, pp. 2.
2. 2. Folkard, S.W., Colquhoun, P., Costa, G., Folkard,S., Knauth,P., eds. (1996),"Effects on performance efficiency" In: Shiftwork. Problems and Solutions / Frankfurt am Main; Berlin; Bern; New York; Paris; Wien: Lang, pp. 65-87.
3. 3. Hänecke, K., Tiedemann, S., Nachreiner, F., Grzech-Sukalo, H. (1998),"Accident risk as a function of hour at work and time of day as determined from accident data and exposure models for the German working population", Scand. J. Work Environ. Health, Vol.24, Suppl. 3, pp. 43-48.
4. 4. Caruso, C.C. (2014),"Negative impacts of shiftwork and long work hours", Rehabil Nurs, Vol. 39, No. 1, pp. 16-25, doi: 10.1002/rnj.107.
5. 5. Härmä, M., Koskinen, A., Sallinen, M., Kubo, T., Ropponen, A., Lombardi, D.A.(2020),"Characteristics of working hours and the risk of occupational injuries among hospital employees: a case-crossover study", Scand J Work Environ Health,Vol. 46, No. 6, pp. 570-578,doi: 10.5271/sjweh.3905.