Contreras-González, Rosa Yaneth, and Ramiro de Jesus Otero-Paternia. “Design of a General Formula for Solution of Economic Engineering Exercises With Uniform Series and the Present”. Mundo FESC Journal, vol. 12, no. 23, Jan. 2022, pp. 190-08, https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/1203.