Table of Contents
Articles
Erlinda Sari Ritonga, Yudi Triyanto, Kamsia Dorliana Sitanggang
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1-11
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Ali Anjas Munthe, Yusmaidar Sepriani, Kamsia Dorliana Sitanggang
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12-20
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Sahrudin Siregar, Yusmaidar Sepriani, Siti Hartati Yusida Saragih
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21-27
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Krisdianto Krisdianto, Yusmaidar Sepriani, Badrul Ainy Dalimunthe
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28-34
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Bayu Permadi
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35-40
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