Articles
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DOI : https://doi.org/10.31539/spej.v4i1.1636
Abstract views: 430 , pdf downloads: 607 -
DOI : https://doi.org/10.31539/spej.v4i1.1803
Abstract views: 73 , pdf downloads: 60 -
DOI : https://doi.org/10.31539/spej.v4i1.1637
Abstract views: 164 , pdf downloads: 180 -
DOI : https://doi.org/10.31539/spej.v4i1.1513
Abstract views: 429 , pdf downloads: 1986 -
DOI : https://doi.org/10.31539/spej.v4i1.1783
Abstract views: 163 , pdf downloads: 600