Published: 2019-06-28

DOI: https://doi.org/10.29122/jstmc.v20i1.4065
DOI: https://doi.org/10.29122/jstmc.v20i1.3488
DOI: https://doi.org/10.29122/jstmc.v20i1.3901
DOI: https://doi.org/10.29122/jstmc.v20i1.3943
DOI: https://doi.org/10.29122/jstmc.v20i1.3972
DOI: https://doi.org/10.29122/jstmc.v20i1.4045
DOI: https://doi.org/10.29122/jstmc.v20i1.4068