1870-7459
1870-7459
S1870-74592017000200272
10.28947/hrmo.2017.18.2.294
El Salvador
USA
00
12
2017
00
12
2017
18
2
272
280
[
2010
11
1
1
26-34
]
[
2011
]
[
2006
26
280-8
]
[
2011
15
111-31
]
[
1999
29
2
2
293-301
]
[
1981
]
[
2001
22
1
1
21-31
]
[
2011
100
213-22
]
[
2004
2
10
10
529-36
]
[
2013
14
20-8
]
[
2013
]
[
2001
397-411
]
[
2012
155
104-10
]
[
2008
18
319-29
]
[
2007
21
926-36
]
[
1978
32
1
1
127-33
]
[
2011
24
247-71
]
[
2011
101
278-85
]
[
1999
232
]
[
2006
34
2
2
308-23
]
[
2013
1
9
9
12-91
]
[
1975
29
3
3
545-67
]
[
2008
17
7
7
1595-612
]
[
2008
1
1
1
8
]
[
2009
197-204
]
[
2008
141
1731-44
]
[
2013
24
201-12
]
[
2016
19
63
]
[
1967
]
[
2011
10
239-46
]
[
MARN
2009
103
103
]
[
1998
283-99
]
[
2013
17
305
]
[
1999
3
1
1
57-65
]
[
2009
90
189-95
]
[
2011
102
4
4
215-25
]
[
2000
51
29-36
]
[
2008
12
1
1
20-4
]
[
2013
14
1
1
56-67
]
[
2006
60
242-54
]
[
2000
48
131-42
]
[
]
[
2003
3
]
[
2013
114
69-79
]
[
2009
142
1311-21
]
[
1995
107
3
3
463-74
]