41
42
43
44
45
46
47
48
by Valcárcel Torres, Juan Manuel, González Serrano, Andrés
Published:
Universidad Militar Nueva Granada
2009
49
50
51
by Huertas Díaz, Omar
Published:
Universidade FUMEC, Faculdade de Ciências Humanas, Sociais e da Saúde
2007
52
53
54
by Mira González, Clara María, Rojas Betancur, Milton Andrés
Published:
Universidad de Medellín
2010
55
56
57
58
59
by Fajardo Sánchez, Luis Alfonso, Rodriguez Bejarano, Carolina
Published:
Universidad Santo Tomás (USTA)
2010
60