0120-0062 0120-0062 S0120-00622019000200171 10.15446/ideasyvalores.v68n170.63957 Colombia 00 08 2019 00 08 2019 68 170 171 186

1987 1993 29 3 3 369-400 1995 23-5 1967 5 1976 15 1981 17 2003 37 2 2 46-60 1986 1959 33 5-26 1986 2011 1991