Geographical Coverage of Authors: Indonesia (Provinces: North Sumatra, West Sumatra, Riau, Banten, and South Sumatra).
DOI:
https://doi.org/10.55537/spk.v4i1.895
DOI:
https://doi.org/10.55537/spk.v4i1.1098
DOI:
https://doi.org/10.55537/spk.v4i1.1099
DOI:
https://doi.org/10.55537/spk.v4i1.1125
DOI:
https://doi.org/10.55537/spk.v4i1.1129
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