0121-750X 0121-750X S0121-750X2017000300377 10.14483/23448393.11483 Colombia Colombia 00 12 2017 00 12 2017 22 3 377 395

[1] 2008 55 2 2 248-66 [2] 2009 25 3 3 327-39 [3] 2005 52 4 4 497-508 [4] 2016 21 3 3 363-77 [5] 2011 29 6 6 728739 [6] 2007 2007 438 [7] 2008 36 6 6 1038-52 [8] 2013 220 442-62 [9] 2011 7 1 1 7-16 [10] 2010 2010 179-82 [11] 2008 2008 2396-403 [12] 1994 16 6 6 659-63 [13] 2010 48 5 5 2297-307 [14] 2013 [15] Departamento Nacional de Planeación 2013 [16] 2015 33 8 8 1744-54 [17] 1996 8 7 7 1341-90 [18] 1997 1 1 1 67-82 [19] 2001 [20] 2008 [21] 2009 2009 27-30 [22] 2013 11 2 2 12-24 [23] 2014 August Singapore 1-15