1870-2171
1870-2171
S1870-21712020000200031
10.29201/pe-ipn.v16i31.221
México
00
12
2020
00
12
2020
16
31
31
46
[
1982
4
1
1
47-70
]
[
2018
22
46
46
60-90
]
[
2017
97
1-13
]
[
2018
22
46
46
60
]
[
2015
34
196-206
]
[
2017
22
4
4
423-36
]
[
2018
111
84-96
]
[
2018
89
198-205
]
[
2011
3
3
3
237-42
]
[
2018
43
1-14
]
[
2018
49
2
2
461-83
]
[
2019
48
1
1
22-48
]
[
2016
24
48
48
185-211
]
[
2018
1-18
]
[
2016
]
[
2011
23
5
5
613-28
]
[
1992
36
5
5
975-1000
]
[
2017
9
12
12
1254
]
[
]