0124-0064
0124-0064
S0124-00642018000400518
10.15446/rsap.v20n4.52035
Mexico
00
08
2018
00
08
2018
20
4
518
522
[
2013
]
[
2008
]
[
2010
12
3
3
446-53
]
[
]
[
2009
51
^s2
^s2
2
S135-7
]
[
2011
63
2
2
124-34
]
[
2006
Fourth edition
]
[
1996
156
209-13
]
[
2006
100
309-18
]
[
1997
314
754-5
]
[
2001
14
3
3
117-23
]
[
2010
72
5
5
1205-17
]
[
1997
277
1
1
49-52
]
[
2008
100
876-87
]
[
2007
99
1854-63
]
[
2003
95
282-90
]
[
2010
10
485
]
[
2005
14
269-75
]
[
2002
94
1373-80
]
[
2007
99
15
15
1141-3
]
[
2007
99
1162-70
]
[
2008
44
798-807
]
[
2007
188
377-84
]
[
2008
190
854-9
]
[
2011
116
84-91
]
[
2009
100
901-7
]
[
2006
47
655-9
]
[
2001
10
455-63
]
[
1999
54
261-7
]
[
2007
102
211-8
]
[
2002
8
3
3
135-40
]