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Samsinar Harahap Harahap
http://sinta2.ristekdikti.go.id/authors/detail?id=6707863&view=overview

Fakultas Sains dan Teknologi, Universitas Muhammadiyah Tapanuli Selatan
Indonesia

Fery Endang Nasution
Fakultas Sains dan Teknologi, Universitas Muhammadiyah Tapanuli Selatan
Indonesia

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Home > Vol 8, No 4 (2023) > Harahap
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