0186-7210
0186-7210
S0186-72102019000100169
10.24201/edu.v34i1.1791
USA
Mexico
00
04
2019
00
04
2019
34
1
169
211
[
2009
257-91
]
[
1971
19
1
1
3-21
]
[
1984
33-76
]
[
1990
52
4
4
866-84
]
[
2017
11
11
69-73
]
[
2017
]
[
2007
131-57
]
[
1968
75-129
]
[
2017
122
5
5
1485-532
]
[
2016
31
3
3
635-62
]
[
2000
29
29
258-83
]
[
2013
28
3
3
645-79
]
[
2014
263-324
]
[
1955
]
[
1995
207-317
]
[
2014
381-431
]
[
2014
433-69
]
[
2014
471-507
]
[
2016
31
3
3
593-634
]