Zambrano-Miranda M de J, Botello Sánchez EA, Marulanda Ascanio. C. Export performance index of the shoe industry and parts of Norte de Santander 2007-2012. Mundo Fesc [Internet]. 2018 July 1 [cited 2026 Nov. 13];8(16):41-54. Available from: https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/292