Published: 2019-09-14

DOI: https://doi.org/10.35914/tomaega.v2i2.220
DOI: https://doi.org/10.35914/tomaega.v2i2.238
DOI: https://doi.org/10.35914/tomaega.v2i2.239
DOI: https://doi.org/10.35914/tomaega.v2i2.240
DOI: https://doi.org/10.35914/tomaega.v2i2.241