0034-7426

0034-7426

S0034-74262021000100021

10.15446/recolma.v55n1.99097

Venezuela

Ecuador

USA

00 06 2021

00 06 2021

55 1 21 41

1

2006

2

2003

60-80

3

1999 127 1 1

79-87

4

2013

5

2017 28 5 5

403-20

6

2011

7

1994 10 2 2

229-81

8

1996

9

2007 16 1 1

107-24

10

1970

11

2012

12

2019