Published: 2021-03-13

DOI: https://doi.org/10.58256/hjlcs.v3i2.550
DOI: https://doi.org/10.58256/hjlcs.v3i2.567
DOI: https://doi.org/10.58256/hjlcs.v3i2.586
DOI: https://doi.org/10.58256/hjlcs.v3i2.610
DOI: https://doi.org/10.58256/hjlcs.v3i2.627