[Español] https://hdl.handle.net/11285/702880 

[English] https://hdl.handle.net/11285/703418 

[Español] https://doi.org/10.48713/10336_44468

[English] https://doi.org/10.48713/10336_44468 

[Español] http://hdl.handle.net/20.500.12010/36021 

[English] http://hdl.handle.net/20.500.12010/36512 

https://repositorio.unal.edu.co/handle/unal/87281

https://repositorio.uca.edu.ar/handle/123456789/19169 

[Español] https://doi.org/10.7764/Informe.BUC/89128 

[English] https://repositorio.uc.cl/handle/11534/102995