Luna-Pereira HO, Avendaño-C WR, Rueda-Vera G. Competitiveness and generation of value. An analysis of medium-sized companies in the city of Cúcuta and the metropolitan area. Mundo Fesc [Internet]. 2021 July 1 [cited 2026 Nov. 13];11(S1):135-50. Available from: https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/890