0040-2915 0040-2915 S0040-29152022000200035 10.53287/ruww8956ph23h Bolivia 00 11 2022 00 11 2022 51 35 59

1980 1996 2003 1990 XX 2 2 13-46 2007 2017 2017 2015 2005 2020 8 1 1 90-6 2006 117-95 2011 III 7 7 41-56 2011 2020