2619-6573 2619-6573 S2619-65732020000200075 10.15446/ede.v30n57.86865 Colombia Colombia 00 12 2020 00 12 2020 30 57 75 97

[1] 2008 [2] 2004 71 2 2 305-26 [3] 1968 326-50 [4] 1958 25 100 100 735-48 [5] 1976 [6] 1975 7 4 4 48-64 [7] 2013 [8] 2007 1 8-20 [9] 1990 14 4 4 375-93 [10] 1997 [11] 1975 10 9 9 399-414 [12] 1980 [13] 1990 39 1 1 127-52 [14] 1994 [15] 1999 173-96 [16] 2000 [17] 1968 [18] 1976 [19] 1977 [20] 1998 17 28 28 71-93 [21] 2006 25 44 44 57-99 [22] 1997 1-18 [23] 2010 [24] 1980 70-107 [25] 1985 17 1/2 1/2 1-19 [26] 1967 [27] 1973 15-93 [28] 2005 29 5 5 799-815 [29] 2010 [30] 2012 44 2 2 213-33 [31] 1983 [32] 1973 a 203-18 [33] 1973 c 162-84 [34] 1981 [35] 1975 49-54 [36] 1980 30 12 12 1346-62 [37] 2020 [38] 2012 31 56 56 1-20 [39] 2001 181 75-89 [40] 2012 [41] 2001 [42] 1974 56 1 1 115-20 [43] 1990 [44] 2016 [45] 1994 [46] 2003 27 6 6 919-33 [47] 2013 72 4 4 917-48 [48] 1998 [49] 1995 27 2 2 38-72