Llanes Cedeño, E. A., Rocha-Hoyos, J. C., Peralta Zurita, D. B., & Leguísamo Milla, J. C. (2018). Evaluation of gas emissions in light gasoline vehicles in height conditions. Case study Quito, Ecuador. Enfoque UTE, 9(2), pp. 149 – 158. https://doi.org/10.29019/enfoqueute.v9n2.201