H. Caicedo Asprilla, C. H. Gonzalez Campo, and A. Castro Díaz, “OPTICOR CREATE METHODOLOGIES TO RAlSE THE REGIONAL COMPETITlVENESS: THE MEfHODOLOGY SIIC, APPUED TO THE CHAIN OF LEATHER, SHOES AND LEATHER GOODS”., cuad.adm., vol. 24, no. 40, pp. 95–116, Jul. 2008, doi: 10.25100/cdea.v24i40.406.