Published: 2022-02-08

DOI: https://doi.org/10.57040/jet.v2i1.131
DOI: https://doi.org/10.57040/jet.v2i1.134
DOI: https://doi.org/10.57040/jet.v2i1.147
DOI: https://doi.org/10.57040/jet.v2i1.176
DOI: https://doi.org/10.57040/jet.v2i1.195