J. P. B. Flores, D. D. Galang, S. . J. A. Jael, J. R. De Leon, V. A. Mergal, and M. C. Orbon, “Work Environment, Sleep Quality, Confidence in Decision- Making and Emotional Labor of Nurses Mediated by Self- Efficacy”, isc, vol. 5, no. 1, p. 41, Oct. 2017.