0012-7353 0012-7353 S0012-73532018000300024 10.15446/dyna.v85n206.70404 Colombia Colombia Colombia 00 09 2018 00 09 2018 85 206 24 30

[1] 2017 148 148 618-31 [2] 2017 147 147 362-70 [3] 2017 145 145 383-91 [4] Instituto Nacional de Vías 2013 [5] Instituto Nacional de Vías 2013 [6] 2002 200 200 [7] 2007 19 2 2 [8] 2011 23 8 8 [9] 2013 1-4 [10] 2012 36 36 467-74 [11] 2017 1-4