C. Bedoya Madrid, “The use of the service as a differentiating strategy”, Rev. DyC. EAFIT, vol. 52, no. 170, pp. 78–81, Sept. 2018, Accessed: Nov. 11, 2026. Available: https://publicaciones.eafit.edu.co/index.php/revista-universidad-eafit/article/view/5707