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2019 2019 ( 161 ) DOI: 0.7206/prak.0079-4872_2015_160_27 Views2247 Downloads708 |
2019 2019 ( 161 ) DOI: 10.7206/prak.0079-4872_2015_160_26 Views2443 Downloads880 |
2019 2019 ( 161 ) DOI: 10.7206/prak.0079-4872_2015_160_16 Views2408 Downloads1290 |