Del Pielago Meoño, A. F., V. E. Failoc Rojas, E. A. Plasencia Dueñas, and C. Díaz Vélez. “Sleep´s Quality and Style of Learning in Students of Human Medicine at the National University Pedro Ruiz Gallo”. ACTA MEDICA PERUANA, Vol. 30, no. 4, Dec. 2013, pp. 63-68, http://54.39.98.165/index.php/AMP/article/view/1310.