1
book
Published in 1994
Repository Repositorio Universidad Politécnica Salesiana
2
book
Published in 2021
Repository Repositorio Universidad Regional Amazónica
3
book
Published in 1849
Repository Repositorio Universidad de Cuenca
4
book
Published in 2021
Repository Repositorio Universidad Politécnica Salesiana
5
book
Published in 1908
Repository Repositorio Biblioteca Digital CCE
6
book
Published in 1907
Repository Repositorio Biblioteca Digital CCE
7
book
Published in 1940
Repository Repositorio SENESCYT
8
book
Published in 1990
Repository Repositorio SENESCYT
9
book
Published in 1950
Repository Repositorio SENESCYT
10
book
Published in 1996
Repository Repositorio SENESCYT
11
book
Published in 2005
Repository Repositorio SENESCYT
13
book
Published in 1919
Repository Repositorio Biblioteca Digital CCE
14
book
Published in 1888
Repository Repositorio Biblioteca Digital CCE
15
book
Published in 1937
Repository Repositorio Biblioteca Digital CCE
16
book
Published in 1997
Repository Repositorio SENESCYT
17
book
Published in 1990
Repository Repositorio SENESCYT
18
book
Published in 1988
Repository Repositorio SENESCYT
19
book
Published in 1996
Repository Repositorio SENESCYT
20
book
Published in 1992
Repository Repositorio Universidad Politécnica Salesiana