DOI: https://doi.org/10.34012/mitraprima.v4i1.2147
DOI: https://doi.org/10.34012/mitraprima.v4i1.2310
DOI: https://doi.org/10.34012/mitraprima.v4i1.2314
DOI: https://doi.org/10.34012/mitraprima.v4i1.2505
DOI: https://doi.org/10.34012/mitraprima.v4i1.2531