Vol. 9 Núm. 18 (2014)

DOI: https://doi.org/10.26507/rei.v9n18.490

DOI: https://doi.org/10.26507/rei.v9n18.416

DOI: https://doi.org/10.26507/rei.v9n18.410

DOI: https://doi.org/10.26507/rei.v9n18.425

DOI: https://doi.org/10.26507/rei.v9n18.434

DOI: https://doi.org/10.26507/rei.v9n18.427

DOI: https://doi.org/10.26507/rei.v9n18.383

DOI: https://doi.org/10.26507/rei.v9n18.396

DOI: https://doi.org/10.26507/rei.v9n18.351

DOI: https://doi.org/10.26507/rei.v9n18.406

DOI: https://doi.org/10.26507/rei.v9n18.453

DOI: https://doi.org/10.26507/rei.v9n18.417

DOI: https://doi.org/10.26507/rei.v9n18.415

DOI: https://doi.org/10.26507/rei.v9n18.374

DOI: https://doi.org/10.26507/rei.v9n18.455

DOI: https://doi.org/10.26507/rei.v9n18.461

DOI: https://doi.org/10.26507/rei.v9n18.464

DOI: https://doi.org/10.26507/rei.v9n18.468

DOI: https://doi.org/10.26507/rei.v9n18.474

DOI: https://doi.org/10.26507/rei.v9n18.476

DOI: https://doi.org/10.26507/rei.v9n18.426

DOI: https://doi.org/10.26507/rei.v9n18.419

DOI: https://doi.org/10.26507/rei.v9n18.335