Beltrán Castro, P.E., García Molina, K.B. and Cordero Cabrera, C.J. 2021. Analysis of the carbon footprint in flexible pavement roads (asphalt): Second order roads in the province of Azuay. ConcienciaDigital. 4, 4.1 (Nov. 2021), 81-95. DOI:https://doi.org/10.33262/concienciadigital.v4i4.1.1927.