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Kota medan,
Sumatera utara
INDONESIA
Publisher :
Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (83.26 KB) | DOI: 10.47006/er.v1i2.896
Publisher :
Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (123.42 KB) | DOI: 10.47006/er.v1i2.901