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Nanda Masraini Daulay
Universitas Aufa Royhan di Kota Padangsdimpuan
Indonesia
Hasni Yaturramadhan Harahap
Universitas Aufa Royhan di Kota Padangsdimpuan
Indonesia
Nanda Suryani Sagala
Universitas Aufa Royhan di Kota Padangsdimpuan
Indonesia
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