Rodríguez, Eduar, et al. “Intra-Occupational Psychosocial Risk Factors and Degree of Stress in University Teachers”. Revista Colombiana De Salud Ocupacional, vol. 4, no. 2, June 2014, pp. 12-17, https://doi.org/10.18041/2322-634X/rcso.2.2014.4908.