Published: 2017-01-23

DOI: https://doi.org/10.14421/pjk.v9i1.1187
DOI: https://doi.org/10.14421/pjk.v9i1.1188
DOI: https://doi.org/10.14421/pjk.v9i1.1189
DOI: https://doi.org/10.14421/pjk.v9i1.1194
DOI: https://doi.org/10.14421/pjk.v9i1.1191
DOI: https://doi.org/10.14421/pjk.v9i1.1192
DOI: https://doi.org/10.14421/pjk.v9i1.1193