DOI: https://doi.org/10.23887/jjpg.v5i3

Published: 2017-11-30

DOI: https://doi.org/10.23887/jjpg.v5i3.20665
DOI: https://doi.org/10.23887/jjpg.v5i3.20666
DOI: https://doi.org/10.23887/jjpg.v5i3.20667
DOI: https://doi.org/10.23887/jjpg.v5i3.20668
DOI: https://doi.org/10.23887/jjpg.v5i3.20669