Rafiansyah, M. Darrel , Faculty of Economics, University of Pembangunan Nasional “Veteran” Yogyakarta, Yogyakarta, 55283, Indonesia
Ragimova, N.A., Azerbaijan State Oil and Industry University, Baku, Azerbaijan
Rahim, Robbi, Sekolah Tinggi Ilmu Manajemen Sukma
Rahim, Robbi, Sekolah Tinggi Ilmu Manajemen Sukma, Jl. Sakti Lubis, Kota Medan, Sumatera Utara, 20219, Indonesia
Rahim, Robbi, Sekolah Tinggi Ilmu Manajemen Sukma, Medan, Indonesia
Rahman, Abdul, Department of Mathematics, Universitas Negeri Makassar, Makassar, 90223, Indonesia
Rais, Zulkifli, Department of Statistics, Universitas Negeri Makassar, 90223, Makassar, Indonesia
Rakhmansyah, Mohamad, Informatics Engineering Study Program, University of Raharja, Tangerang City, Indonesia
Rakhmawati, Desty, Department of Information System, Amikom Purwokerto University, Banyumas City, 53127, Indonesia
Raras AW, Chyntia, Information Technology, Faculty of Computer Science, Amikom Purwokerto University, Indonesia
Rasyid, Rusman, Universitas Khairun
Regina V. H., Genoveva, Communication Department, Universitas Bina Darma, JL. A.Yani No 3, Plaju, Palembang, Indonesia
Ritonga, Asri Winaldi , Universitas Labuhanbatu, Rantauprapat, Sumatera Utara, Indonesia
Romli, Ombi, Universitas Bina Bangsa
Rosadi, Dedi, Department of Mathematics, University of Gadjah Mada, Indonesia
Ruliana, Ruliana, Department of Statistics, Universitas Negeri Makassar, 90223, Makassar, Indonesia
Ruzanna, Arina, Universitas Malikussaleh, Jalan Kampus Unimal Bukit Indah, Lhokseumawe 24353, Indonesia

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