0012-7353 0012-7353 S0012-73532019000300156 10.15446/dyna.v86n210.71782 Colombia Colombia 00 07 2019 00 07 2019 86 210 156 163

[1] 2011 15 4 4 488-505 [2] 2013 4 2 2 1-7 [3] 2016 19 2 2 717-36 [4] 2003 Saragoza, España [5] Banco Mundial 2013 [6] 2015 83 77-104 [7] 2011 42 4 4 856-73 [8] 2011 86 1 1 1-18 [9] 2011 30 5 5 396-408 [10] 2013 47 424-42 [11] 2015 488-524 [12] 2011 26 21 21 2749-56 [13] 2014 63 820-8 [14] 2010 [15] 2007 74 153 153 [16] 2016 83 1-23 [17] Estaciones Agrarias 2016 [18] American Society for Testing and Materials (ASTM) 2015 [19] American Society for Testing and Materials (ASTM) 2004 [20] Statgraphics net [21] 2005 65 3-4 3-4 693-702 [22] 2011 [23] 2012 37 11 11 1552-96 [24] 2014 12 2 2 60-70 [25] 2012 37 93-9 [26] 2015 80 73-83 [27] 2012 43 8 8 1419-29