1
2
3
Published in 2017
Repository
4
Published in 2013
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5
Published in 1993
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6
Published in 2016
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7
8
by Viera, William; Sotomayor, Andrea; Tamba Sandoval, María Viviana; Vásquez C., Wilson; Martínez, Aníbal; Ron, Lenin
Published in 2016
Repository
9
Published in 2011
Repository
10
11
12
by Viteri D., Pablo; León F., Juan; Vásquez C., Wilson; Encalada, Claudio; Martínez, Aníbal; Revelo, Jorge; Posso, Manuel; Hinojosa, Milton
Published in 2010
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13
14
Published in 2008
Repository
15
by Brito Grandes, Beatriz; Espín, Susana; Vásquez C., Wilson; Viteri D., Pablo; López Jaramillo, Alda Priscila; Jara Córdova, Johanna Ximena
Published in 2012
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16
17
18
by Pilapaña Juiña, Gladys Silvana; Racines Jaramillo, Marcelo Rafael; Mendoza, Luis; Vásquez C., Wilson
Published in 2012
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19
Published in 2007
Repository
20
Published in 1986
Repository