On the need for structuring of the Integrated Public Transport System -IPTS of Bogotá, Colombia as a Viable System . Rev. Invest. Univ. Quindío [Internet]. 2022 Dec. 15 [cited 2026 Jun. 25];34(2):440-61. Available from: https://revistas.uniquindio.edu.co/ojs/index.php/riuq/article/view/1070