2007-4387 2007-4387 S2007-43872021000100029 10.22201/iij.24487937e.2021.15.16118 USA 00 12 2021 00 12 2021 15 29 51

1962 2018 2018 1949 1989 18 2015 2003 114 2012 1990 2014 2010 120 3 3 1990 1995 1970 1998