1726-8958 1726-8958 S1726-89582022000100083 Bolivia 00 00 2022 00 00 2022 28 1 83 90

1 2021 2 2009 19 19 3 2015 4 1993 tomo I 5 2004 7 7 311-20 6 2002 7 1994 8 1985 103 103 606-11 9 1982 306 306 639-45 10 2003 11 1995 158-95 12 1977 196 196 129-36 13 2015 76-85