1
Published in 1998
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2
3
by Villacrés, Elena; Allauca Chávez, Viviana Verónica; Peralta I., Eduardo; Insuasti, G.; Álvarez, J.; Quelal, María Belén
Published in 2015
Repository
4
Published in 2013
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5
Published in 2008
Repository
6
Published in 2003
Repository
7
Published in 2011
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9
10
Published in 2001
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11
12
Published in 2016
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13
14
15
16
17
18
19
Published in 2000
Repository
20
Published in 2008
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