1
by Mazón, Nelson; Villacrés, Elena; Murillo I., Angel; Vega J., Laura; Rodríguez Ortega, Diego Geovanny; Monteros, Alvaro
Published in 2017
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2
3
Published in 1998
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4
Published in 2008
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5
6
by Villacrés, Elena; Yánez G., Carlos; Armijos L., Ana Gabriela; Quelal, María Belén; Álvarez M., Javier
Published in 2016
Repository
7
Published in 2003
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8
9
10
Published in 1992
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11
Published in 1992
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12
13
14
15
16
17
Published in 2013
Repository
18
Published in 2008
Repository
19
Published in 2011
Repository
20
Published in 2003
Repository