0120-8748 0120-8748 S0120-87482021000300105 10.22379/24224022373 Colombia Colombia 00 06 2021 00 06 2021 37 2 105 106 1 2021 134 134 103-12 2 2021 372 372 n71 3 4 2020 36 4 4 5 2021 372 n160 n160