Bernal Lozano, A. L., Ordoñez Escobar, J. F., & Quintero Balanta, M. (2017). Design of the planning phase of an occupational health and safety management system. Revista Colombiana De Salud Ocupacional, 7(2), 72-78. https://doi.org/10.18041/2322-634X/rc_salud_ocupa.2.2017.4957 (Original work published 2017)