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Bertaria Sohnata Hutauruk
Universitas HKBP Nommensen Medan
Indonesia
Rina Octavia Simarmata
Universitas HKBP Nommensen Medan
Indonesia
Mandra Saragih
Universitas Muhammadiyah Sumatera Utara- Medan
Indonesia
Febrika Dwi Lestari
Universitas HKBP Nommensen Medan
Indonesia