1659-1321 1659-1321 S1659-13212022000100013 10.15517/am.v33i1.46141 Argentina 00 04 2022 00 04 2022 33 1

2005 5 2020 2020 107-11 Bolsa de cereales 2021 2017 2011 2014 2002 51 1 1 24-32 2019 4 4 4 1-9 1990 41 5 5 827-33 1995 2 2020 8 5 5 127-34 2015 3 3 3 200-10 2000 1974 14 6 6 415-21