0121-8123 0121-8123 S0121-81232021000500001 10.1016/j.rcreu.2021.05.001 Colombia Colombia Colombia Colombia Colombia Spain 00 12 2021 00 12 2021 28 1 2 1 2021 2 2021 3 2021 4 2021 5 2021 6 2021 7 2021 8 2021 9 2021 10 2021 11 2021