Gaya APA
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Journal Of Environmental Protection Vol. 11 No.1 (Vol. 11 No.1 JAnuari 2020).
Florida, USA:
Scirp.
Gaya MLA
SCRIP, I..
Journal Of Environmental Protection Vol. 11 No.1.
Vol. 11 No.1 JAnuari 2020
Florida, USA:
Scirp,
2020.
Jurnal Internasional.