Published: 2019-01-01

DOI: https://doi.org/10.29407/jpdn.v4i2.12452
DOI: https://doi.org/10.29407/jpdn.v4i2.12554
DOI: https://doi.org/10.29407/jpdn.v4i2.12189
DOI: https://doi.org/10.29407/jpdn.v4i2.12166
DOI: https://doi.org/10.29407/jpdn.v4i2.12449
DOI: https://doi.org/10.29407/jpdn.v4i2.12517
DOI: https://doi.org/10.29407/jpdn.v4i2.13261
DOI: https://doi.org/10.29407/jpdn.v4i2.13013
DOI: https://doi.org/10.29407/jpdn.v4i2.13520