0185-3325 0185-3325 S0185-33252020000500235 10.17711/sm.0185-3325.2020.032 USA Peru Mexico 00 10 2020 00 10 2020 43 5 235 240

2016 2013 2017 80 1 1 72-4 1966 17 9 9 253-8 2014 51 6 6 850-74 2015 1996 1986 2013 2004 291 21 21 2639-41 2012 49 3-4 3-4 379-95 2010 6 2 2 149-61 2014 77 2 2 78-85 2019 36 2 2 326-33 2012 1 1 1 2-6 2010 2018 14 1 1 4-8 1992 3rd 1995 2011 16 12 12 4615-22 2011 2003 Diario Oficial 2019 2009 185 738 738 689-703 2014 2005 2nd 2011 31 4 4 661-78 1991 2006 58 2 2 267-76 2005 2012 11 3 3 170-1 2006 87 4 4 919-36 2014 51 6 6 759-76 2015 1988 1st. reimpr 2007 370 9594 9594 1241-52 2019 4a 2008 71 1-4 1-4 3-7 2011 28 6 6 583-600 2011 2015 385 9976 9976 1472-5 1998 2014 2014 384 9954 9954 1607-39 2014 51 6 6 777-89 2015 2015 2001 1997 1968 2009 259 2 2 S109-117 2004 2008 336 7651 7651 992-4 1993 2017 6 9 9 501-8 2014 49 20 2012 11 31 31 499-520 World Bank Group 2018 2011 37 33-8