1900-6896
1900-6896
S1900-68962020000200003
10.18270/rcb.v15i2.2684
Ecuador
00
12
2020
00
12
2020
15
2
[
2008
]
[
2000
11
1
1
39-60
]
[
2017
23
2
2
147-63
]
[
2009
]
[
2014
]
[
1990
]
[
1997
91-260
]
[
2017
5
5
59-67
]
[
1995
76
76
14-9
]
[
1991
]
[
1996
a
]
[
1996
b
95-108
]
[
2008
197-201
]
[
2017
]
[
2012
]
[
2013
51
51
74-85
]
[
1971
]
[
2015
]
[
2019
]
[
2017
69-75
]
[
2018
29
29
190-212
]
[
2018
]
[
2017
]
[
2015
4
4
11-23
]
[
2015
10
8
8
]
[
2016
1
1
88-116
]
[
2012
]
[
2015
]
[
2017
]
[
1983
31
1
1
40-3
]
[
2002
a
1
1
]
[
2002
b
2
2
]
[
2004
1
1
]
[
2011
21
21
]
[
2015
a
]
[
2015
b
1
1
]
[
1982
]