2007-7890 2007-7890 S2007-78902021000400009 10.46377/dilemas.v8i.2591 Peru Peru Peru Peru 00 00 2021 00 00 2021 8 spe2

1. 2016 2. 2012 3. 2014 4. 2013 12 3 3 5. 2011 18 56 56 37-58 6. 2012 7. 2016 25 3 3 143-8 8. 2013 6-16 9. 2014 43 169 169 89-105