Published: 2015-07-31

DOI: https://doi.org/10.29407/jpdn.v1i1.145
DOI: https://doi.org/10.29407/jpdn.v1i1.151
DOI: https://doi.org/10.29407/jpdn.v1i1.152
DOI: https://doi.org/10.29407/jpdn.v1i1.146
DOI: https://doi.org/10.29407/jpdn.v1i1.147
DOI: https://doi.org/10.29407/jpdn.v1i1.149
DOI: https://doi.org/10.29407/jpdn.v1i1.148
DOI: https://doi.org/10.29407/jpdn.v1i1.150
DOI: https://doi.org/10.29407/jpdn.v1i1.153