Published: 2020-01-02

DOI: https://doi.org/10.58256/hjlcs.v2i1.3
DOI: https://doi.org/10.58256/hjlcs.v2i1.21
DOI: https://doi.org/10.58256/hjlcs.v2i1.13
DOI: https://doi.org/10.58256/hjlcs.v2i1.8
DOI: https://doi.org/10.58256/hjlcs.v2i1.26