1990-8644 1990-8644 S1990-86442022000200218 Perú 00 04 2022 00 04 2022 18 85 218 229

2015 18 47-67 2020 10 1 1 44-84 2020 45 8 8 1694-710 2001 1998 29 225-40 1975 1997 2007 1998 2005 1997 1976 2008 2000 1979