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Samsidar Lubis
Universitas Muhammadiyah Tapanuli Selatan
Indonesia
Muksana Pasaribu
Universitas Muhammadiyah Tapanuli Selatan
Indonesia
Rosmaimuna Siregar
Universitas Muhammadiyah Tapanuli Selatan
Indonesia
Rini Agustini
Universitas Muhammadiyah Tapanuli Selatan
Indonesia
Jumaita Nopriani Lubis
Universitas Muhammadiyah Tapanuli Selatan
Indonesia
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