Silva, N. K. C., & Oliveira, M. L. C. de. (2015). Factors that interferes with sleep in elderly students from Maturity’s University in the city of Palmas (TO). Revista Kairós-Gerontologia, 18(1), 129–150. https://doi.org/10.23925/2176-901X.2015v18i1p129-150