2665-2056

2665-2056

S2665-20562021000200119

10.46634/riics.75

Chile

00 12 2021

00 12 2021

3 2 119 127

1

2009 23 3 3

367-75

2

American Academy Of Teachers Of Singing

2008 65 1 1

7-10

3

2020 76 3 3

273-80

4

2016 15 10 10

147-62

5

2008 22 3 3

260-2

6

2000 1

7

2013

8

2003 26 3 3

367-85

9

2018 75 2 2

183-90

10

2000 56 3 3

71-2

11

2015 41 4 4

168-73

12

2015 1 1

78-87

13

2003 2

14

2013 70 1 1

79-86

15

2018 20 5 5

621-31

16

2008 123 4 4

1902-15

17

1894 2

18

2012 13 13 13

72-6

19

2006 31 1 1

3-14

20

2020 34 4 4

582-9

21

2005 1

22

2009 1

23

2020 2 2 2

56-69

24

2021

25

2010 66 4 4

457-68

26

2019