2550-6722
2550-6722
S2550-67222019000300082
10.37135/chk.002.09.07
Ecuador
Ecuador
00
12
2019
00
12
2019
9
82
91
[
1983
]
[
1971
]
[
2009
]
[
2016
]
[
2010
26
1-18
]
[
2001
]
[
1966
]
[
2001
]
[
2009
425-34
]
[
1994
]
[
1998
]
[
2001
]
[
1991
]
[
1997
]
[
2015
14
28
28
67-82
]
[
2010
XVIII
35
35
43-51
]
[
2005
17
133-54
]