M. C. Arroyave Buriticá, M. E. Giraldo Prieto, and M. González Ramírez, “Model for the identification of work competences and definition of performance criteria in public health of the nursing and medicine professionals in the department of Caldas, 2005-2006”, Hacia Promoc. Salud, vol. 12, pp. 179–192, Jan. 2007.