0121-7488 0121-7488 S0121-74882018000100063 Colombia Colombia Colombia Colombia 00 06 2018 00 06 2018 9 1 63 70

[1] 1987 [2] 2007 62 473-81 [3] 2011 [4] Third Edition [5] 1983 [6] Tercera Edición [7] 1989 [8] 2000 [9] 2014 [10] Second Edition