1409-3871
1409-3871
S1409-38712019000100005
10.15517/lank.v19i1.36900
Ecuador
Ecuador
00
04
2019
00
04
2019
19
1
5
13
[
2017
17
2
2
245-50
]
[
2003
]
[
2004
]
[
1999
]
[
1988
26
53-4
]
[
1990
38
1-132
]
[
1991
1
4
4
171-4
]
[
1993
46
120-121
120-121
142-3
]
[
1994
52
121
]
[
1996
61
114
114
221
]
[
2004
95
236-42
]
[
2006
105
258
]
[
2011
126
]
[
2018
11
1-20
]