0121-7488 0121-7488 S0121-74882018000100071 Colombia Colombia Colombia 00 06 2018 00 06 2018 9 1 71 88

[1] 2009 32 1 1 33-58 [2] 2007 12 4 4 347-68 [3] 2007 [4] 1985 72 2 2 253-65 [5] 2003 57 4 4 275-84 [6] 2012 22 4 4 758-73 [7] 2010 46 1 1 [8] 2009 34 10 10 642-53 [9] 1986 14 2 2 145-59 [10] 2005 [11] 2001 [12] 2001 [13] 1997 [14] 2007 [15] 2012 [16] 2015 [17] 2009 76 158 158 253-63