2528-7907
2528-7907
S2528-79072020000300216
10.36097/rsan.v1i40.1388
Ecuador
Ecuador
Ecuador
00
09
2020
00
09
2020
40
216
231
[
2016
Méjico.
]
[
011
2
1
1
105-21
]
[
1993
2
]
[
2012
Quinta Edición
]
[
2011
4
]
[
1993
]
[
2016
10
71-103
71-103
]
[
2004
]
[
1965
]
[
]
[
2012
14
]
[
2012
]
[
2008
]
[
2009
]
[
2011
]
[
2009
]
[
2005
. 2
]
[
2002
5
5
14-29
]
[
2015
205
1/4
1/4
]
[
2012
]
[
2014
2
1
1
]
[
2018
]
[
1998
]
[
2007
]
[
1965
]
[
2002
]
[
2007
]
[
2007
13
1
1
113-40
]
[
2015
]
[
2009
]
[
2018
]
[
2004
]