DOI: https://doi.org/10.23887/jjpg.v4i2

Published: 2016-08-31

DOI: https://doi.org/10.23887/jjpg.v4i2.20542
DOI: https://doi.org/10.23887/jjpg.v4i2.20546
DOI: https://doi.org/10.23887/jjpg.v4i2.20547
DOI: https://doi.org/10.23887/jjpg.v4i2.20549
DOI: https://doi.org/10.23887/jjpg.v4i2.20550