• https://repositorio.ister.edu.ec//handle/68000/212
• https://repositorio.ister.edu.ec//handle/68000/538
• https://repositorio.ister.edu.ec//handle/68000/386
• https://repositorio.ister.edu.ec//handle/68000/213
• https://repositorio.ister.edu.ec//handle/68000/369
• https://repositorio.ister.edu.ec//handle/68000/492
• https://repositorio.ister.edu.ec//handle/68000/354
• https://repositorio.ister.edu.ec//handle/68000/306
• https://repositorio.ister.edu.ec//handle/68000/513
• https://repositorio.ister.edu.ec//handle/68000/436
• https://repositorio.ister.edu.ec//handle/68000/218
• https://repositorio.ister.edu.ec//handle/68000/296