61
Published in 2014
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62
Published in 2017
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63
64
65
66
67
68
69
70
71
72
73
74
Published in 2001
Repository
75
by Yumisaca, Fausto; Aucancela, Rodrigo; Rivadeneira Ruales, Jorge Esteban; Cuesta Subía, Hugo Xavier; Villacrés, Elena
Published in 2017
Repository
76
77
Published in 2019
Repository
78
by Cuesta Subía, Hugo Xavier; Rivadeneira Ruales, Jorge Esteban; Carrera, Efrén; Cueva, M.; Zumba, M.; Yánez Navarrete, Zoila Elizabeth; Villacrés, Elena; Monteros J., Cecilia; Reinoso R., Iván A.
Published in 2008
Repository
79
80
Published in 2004
Repository