REVIEWER

Ummu Handasah Pohan, State Polytechnic of Medan, Indonesia

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Habib Muharry Yusdartono, Malikussaleh University, Indonesia

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Amir Saleh, Indonesian Prima University, Indonesia

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Fadhillah Azmi, University of Medan Area, Indonesia

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Ryandika Afdila, University of Northern Sumatra, Indonesia

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