0120-159X 0120-159X S0120-159X2019000200331 10.15446/rcs.v42n2.81653 Colombia 00 12 2019 00 12 2019 42 2 331 338 1848 1993 2016 2002 1850 1967 1881 1989 1808 1760 1983 1984 8 1/4 1/4 27-37 1999 26 26 30-58 1986