Published: 28-12-2017

DOI: https://doi.org/10.19109/td.v22i2.1636
DOI: https://doi.org/10.19109/td.v22i2.1634
DOI: https://doi.org/10.19109/td.v22i2.1637
DOI: https://doi.org/10.19109/td.v22i2.1638
DOI: https://doi.org/10.19109/td.v22i2.1639
DOI: https://doi.org/10.19109/td.v22i2.1641
DOI: https://doi.org/10.19109/td.v22i2.1635
DOI: https://doi.org/10.19109/td.v22i2.1640