Rahardja, Untung, Magister of Information Technology, Univeristy of Raharja Jalan Jendral Sudirman No. 40, Postcode 041071 (Indonesia)
Rahman, Nik Suryani Nik Abdul, International Islamic University Malaysia, Kulliyah of Education, 53100 Jalan Gombak (Malaysia)
Ramdhan, Muhammad, Universitas Ahmad Dahlan (Indonesia)
Rashed, Ahmed, Faculty of Commerce, Cairo University (Egypt)
Retnawati, Heri, Universitas Negeri Yogyakarta (Indonesia)
Rifiyani, Andri Jamaul, Master’s Program in ELT, Universitas Islam Malang, Malang (Indonesia)
Rumapea, Elina Lulu Bimawati, Management Department, STIE Petra, Perkamil Paal Dua Manado (Indonesia)
Rusevska, Katerina, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, 1000, Skopje (Macedonia, the former Yugoslav Republic of)

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