Published:
2020-12-27
Articles
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DOI : https://doi.org/10.31539/joppa.v2i1.1898
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DOI : https://doi.org/10.31539/joppa.v2i1.1800
Abstract views: 116 , pdf downloads: 110 -
DOI : https://doi.org/10.31539/joppa.v2i1.1801
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DOI : https://doi.org/10.31539/joppa.v2i1.1427
Abstract views: 379 , pdf downloads: 369 -
DOI : https://doi.org/10.31539/joppa.v2i1.1802
Abstract views: 128 , pdf downloads: 128