2224-7920 2224-7920 S2224-79202020000100068 00 04 2020 00 04 2020 32 1 68 72 A.O.A.C 1995 2016 27 1 1 39-44 2014 20 2 2 277-93 1994 46 1-2 1-2 75-86 2010 1955 11 1 1 1-42 2015 2011 693 2008 26 3 3 219-22 1967 50 50-5