1665-5346
1665-5346
S1665-53462019000200189
10.21919/remef.v14i2.309
México
00
06
2019
00
06
2019
14
2
189
202
[
2015
]
[
1987
21
5
5
43-54
]
[
1983
15
3-4
3-4
313-21
]
[
1985
18
1-2
1-2
83-100
]
[
1988
32
1
1
55-68
]
[
1986
101
2
2
383
]
[
2018
41
5
5
1251-68
]
[
1992
7
2
2
121-44
]
[
2008
16
5
5
942-54
]
[
2017
12
3
3
29-44
]
[
1990
100
400
400
127
]
[
1998
32
5
5
5-71
]
[
2006
22
3
3
554-90
]
[
2013
92
3
3
599-608
]
[
2004
3
2
2
]
[
1983
50
4
4
707
]