DOI : 10.21109/kesmas.v5i4.136
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DOI : 10.21109/kesmas.v5i4.134
DOI : 10.21109/kesmas.v5i4.135
DOI : 10.21109/kesmas.v5i4.137
DOI : 10.21109/kesmas.v5i4.138
DOI : 10.21109/kesmas.v5i4.139
DOI : 10.21109/kesmas.v5i4.140