1870-2171
1870-2171
S1870-21712020000100057
10.29201/pe-ipn.v15i30.252
Mexico
Mexico
00
06
2020
00
06
2020
15
30
57
78
[
2016
29
7
7
1635-70
]
[
2016
3
7
7
37-44
]
[
2018
9
379
]
[
2015
47
3078-91
]
[
2009
91
5
5
403-18
]
[
2006
31
2
2
409-31
]
[
2015
11
151-76
]
[
2013
39
118
118
47-76
]
[
2013
29
29
32-45
]
[
2007
LXII
1
1
93-118
]
[
2010
32
4
4
868-76
]
[
2015
6
1-5
]
[
1989
4
1
1
3-21
]
[
1930
]
[
1990
]
[
2010
5a edición
]
[
2010
32
4
4
868-76
]
[
1998
3
4
4
279-89
]
[
2015
11
2
2
151-76
]
[
2011
]
[
2017
5
6
6
1-13
]
[
2019
]
[
2003
]
[
2005
37
2
2
201-28
]
[
2019
]
[
2018
24
1
1
64-82
]
[
2007
2734
2734
]
[
2012
25
7
7
2071-108
]
[
La Caixa
2008
]
[
2008
]
[
2006
]
[
2008
30
3
3
847-55
]
[
2018
]
[
2003
1
77-99
]
[
2008
63
63
529-63
]
[
2006
219
219
86-113
]
[
1998
]
[
1999
]
[
1992
]
[
1998
21
2
2
]
[
1973
41
5
5
867-87
]
[
1973
4
1
1
141-83
]
[
2009
124
4
4
1449-96
]
[
2019
37
89-103
]
[
1963
71
]
[
2013
107
2
2
454-76
]
[
2017
12
24
24
145-75
]
[
2009
]
[
2011
]
[
2004
553-72
]
[
1974
82
1
1
34-55
]
[
2010
]
[
2017
5
2
2
42-59
]
[
2006
]
[
2013
42
3
3
215-37
]
[
2002
]