Ferreira, Luciane Ruiz Carmona, and Milva Maria Figueiredo De Martino. “Sleep Patterns and Fatigue of Nursing Students Who Work”. Revista Da Escola De Enfermagem Da USP, vol. 46, no. 5, Oct. 2012, pp. 1178-83, https://doi.org/10.1590/S0080-62342012000500020.