2409-8752 2409-8752 S2409-87522020000100039 10.18004/ucsa/2409-8752/2020.007.01.039-048 España Paraguay Spain 00 04 2020 00 04 2020 7 1 39 48

2000 36 26-33 2000 36 16-25 2019 7 7 21-37 2001 2019 1 1 1 55-72 2001 2019 6 1 1 71-80 2016 20 3 3 467-92 2004 1981 2012 197-216 1996 2018 5 3 3 64-8 2019 11 2 2 21-40 2000 29 109-23 2006 2003 2002 1993 2010 2018 5 10 10 2018 9 24 24 3-16 2014 1982 2018 9 17 17 168-94 2008 1993 2017 1981 2000 31 3 3 5-9 Western Sydney University-WSU 2017 2007