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Arifin Saleh
Universitas Muhammadiyah Sumatera Utara
Indonesia
Rudianto Rudianto
Universitas Muhammadiyah Sumatera Utara
Indonesia
Akhyar Anshori
Universitas Muhammadiyah Sumatera Utara
Indonesia
Abrar Adhani
Universitas Muhammadiyah Sumatera Utara
Indonesia