Published: 28-12-2017

DOI: https://doi.org/10.19109/ieconomics.v3i2.1456
DOI: https://doi.org/10.19109/ieconomics.v3i2.1457
DOI: https://doi.org/10.19109/ieconomics.v3i2.1446
DOI: https://doi.org/10.19109/ieconomics.v3i2.1455
DOI: https://doi.org/10.19109/ieconomics.v3i2.1688
DOI: https://doi.org/10.19109/ieconomics.v3i2.1459
DOI: https://doi.org/10.19109/ieconomics.v3i2.1689