1.
Parra Hernández R, Guzmán Díaz B, Tarapuez Chamorro E. Strategy and generation of value in Colombian service-providing companies. CdeA [Internet]. 21Jun.2018 [cited 2Jun.2020];34(61). Available from: http://cuadernosdeadministracion.univalle.edu.co/index.php/cuadernos_de_administracion/article/view/6005