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Jef Rudiantho Saragih
https://scholar.google.com/citations?user=waIn5bAAAAAJ
(Scopus ID: 57200993710), Universitas Simalungun
Indonesia
SINTA ID: 5973104
Dhenny Valentino P. A. Sitepu
Nurhayati Nurhayati
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ISSN: 2655-853X
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