2550-6722
2550-6722
S2550-67222020000200135
10.37135/chk.002.11.10
Ecuador
Ecuador
Ecuador
00
08
2020
00
08
2020
11
135
146
[
2014
2
1
1
19-23
]
[
1986
70
6
6
378-406
]
[
Encyclopaedia Britannica
2016
]
[
1999
10
1
1
87-99
]
[
2016
26
50
50
114- 128
]
[
1985
142
567
567
250-67
]
[
2006
]
[
2007
]
[
2016
21
1
1
45-70
]
[
2018
]
[
1963
]
[
2010
]
[
2005
]
[
1967
]
[
2003
55
115-21
]
[
2013
18
4
4
67-9
]
[
2002
]
[
2010
4th
]
[
1996
]