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Muhammad Hanafi
Universitas Muhammadiyah Sumatera Utara
Indonesia
Ryan Chandra Wijaya
Universitas Muhammadiyah Sumatera Utara
Indonesia
Najibar Akmal
Universitas Muhammadiyah Sumatera Utara
Indonesia
Irna Syofia
Universitas Muhammadiyah Sumatera Utara
Indonesia