0124-5996 0124-5996 S0124-59962021000100171 10.18601/01245996.v23n44.08 Colombia Colombia Colombia 00 06 2021 00 06 2021 23 44 171 194

2020 2020 271 C C 1-20 Government of Canada 2020 2020 1990 2020 98 121-4 2017 1936 182 46 46 225-37 2017 48 4 4 577-92 World Bank 2020 2020