Silva, R. M. da, C. L. C. Beck, R. C. G. Zeitoune, F. C. Prestes, J. P. Tavares, and S. T. Guerra. “Meaning of Work for Night Nurses of a University Hospital: Descriptive Study”. Online Brazilian Journal of Nursing, vol. 10, no. 3, Dec. 2011, doi:10.5935/1676-4285.20113433.