2007-0780
2007-0780
S2007-07802014000200035
10.22201/fesi.20070780.2014.6.2.48590
Peru
Peru
Belgium
00
00
2014
00
00
2014
6
2
35
44
[
2003
18
31-62
]
[
1979
]
[
1988
]
[
1990
]
[
1993
36
725-33
]
[
2007
]
[
2006
9
110-29
]
[
2012
11
331-8
]
[
2009
43
144-53
]
[
2013
]
[
2012
]
[
1988
]
[
2005
1
95-102
]
[
2005
59
460-6
]
[
2006
61
938-44
]
[
2006
60
376-81
]
[
2005
5
665-73
]
[
2006
1
236-47
]
[
1993
5
145-53
]
[
2001
17
77-83
]
[
2003
4th
]
[
2011
52
168-73
]
[
1991
25
137-45
]
[
2007
12
273-80
]
[
2011
12
475-92
]
[
2011
Second
]
[
2007
16
11-22
]
[
1999
13
51-61
]
[
2005
59
440-2
]
[
2014
2
1
1
1-10
]
[
2010
5
1451-5
]
[
2009
]
[
2011
9
1-9
]
[
2013
54
98-104
]
[
2012
13
1-9
]
[
2013
]
[
2012
8
1-6
]
[
2008
34
31-9
]
[
2007
128
486-92
]
[
1993
]