Published: 2020-12-29

DOI: https://doi.org/10.53874/jmar.v5i0.65
DOI: https://doi.org/10.53874/jmar.v5i0.80
DOI: https://doi.org/10.53874/jmar.v5i0.79
DOI: https://doi.org/10.53874/jmar.v5i0.76
DOI: https://doi.org/10.53874/jmar.v5i0.66