• https://repositorio.uleam.edu.ec/handle/123456789/5874
• https://repositorio.uleam.edu.ec/handle/123456789/5875
• https://repositorio.uleam.edu.ec/handle/123456789/5876
• https://repositorio.uleam.edu.ec/handle/123456789/5877
• https://repositorio.uleam.edu.ec/handle/123456789/5878
• https://repositorio.uleam.edu.ec/handle/123456789/5879
• https://repositorio.uleam.edu.ec/handle/123456789/5880
• https://repositorio.uleam.edu.ec/handle/123456789/5881
• https://repositorio.uleam.edu.ec/handle/123456789/5882
• https://repositorio.uleam.edu.ec/handle/123456789/5883
• https://repositorio.uleam.edu.ec/handle/123456789/5885
• https://repositorio.uleam.edu.ec/handle/123456789/5886
• https://repositorio.uleam.edu.ec/handle/123456789/5890
• https://repositorio.uleam.edu.ec/handle/123456789/5884
• https://repositorio.uleam.edu.ec/handle/123456789/5887
• https://repositorio.uleam.edu.ec/handle/123456789/5888
• https://repositorio.uleam.edu.ec/handle/123456789/5889