Rahayu, Sania, Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta, Indonesia
Rahayu, Sri, Department of Chemistry, Universitas Negeri Malang
Rahmadan, Dhimas, Faculty of Teacher Training and Education, Universitas Sriwijaya
Rahmadi, Imam Fitri, Faculty of Teacher Training and Education, Universitas Muhammadiyah Bangka Belitung
Rahman, Abdul, Department of Materials Science and Engineering, Institute of Space Technology
Rahman, Akhmad Munaya, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat
Rahman, Nor Farahwahidah Abdul, School of Education, Universiti Teknologi Malaysia
Rahman, Rahman, Postgraduate Elementary Education, Universitas Pendidikan Indonesia
Rahman, Silfia, Faculty of Language and Art, Universitas Negeri Jakarta
Rahmaniati, Rita, Faculty of Teacher Training and Education, University Muhammadiyah Palangka Raya
Rahmaniati, Rita, Faculty of Teacher Training and Education, Universitas Muhammadiyah Palangka Raya
Rahmawati, Kartika Dewi, Faculty of Economics and Business, Universitas Gadjah Mada
Rahmawati, Laili Etika, Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta
Rahmi, Rahmi, Faculty of Islamic Education, Universitas Muhammadiyah Sumatera Barat
Rajiani, Ismi, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat
Rakhmah, Rafika, Faculty of Educational Sciences and Psychology, Universitas Negeri Yogyakarta
Rambe, Paijan, Department of Economic Education, STKIP Aisyiyah Riau
Ramdayeni Sakunti, Sri, College of Education, Central Luzon State University
Rashahan, Arifah Adlina, Universiti Pendidikan Sultan Idris
Rasid, Nordalila Binti Mohammad, Faculty of Education, Universiti Kebangsaan Malaysia (National University of Malaysia)
Ratih, Koesoemo, Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta
Ratih, Koesomo, Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta
Razak, Rafiza binti Abdul, Faculty of Education, University of Malaya
Ridzaniyanto, Pandu, Senior High School of Kolombo, Sleman, Yogyakarta
Ritonga, Pangoloan Soleman, Faculty of Tarbiyah and Teacher Training, Universitas Islam Negeri Sultan Syarif Kasim Riau
Rivanda Debi, M, College of Education, Central Luzon State University
Rizal, Muh., Faculty of Teacher Training and Education, Universitas Tadulako
Rochayati, Nurin, Faculty of Teacher Training and Education, Universitas Muhammadiyah Mataram
Roemintoyo, Roemintoyo, Faculty of Teacher Training and Education, Universitas Sebelas Maret
Rokhmah, Na'ilir, Faculty of Teacher Training and Education, Universitas Ahmad Dahlan, Indonesia; Vocational High School Muhammadiyah Lumajang, Lumajang, Indonesia
Rusdarti, Rusdarti, Faculty of Economic Education, Universitas Negeri Semarang
Ryan, John Charles, Faculty of Business, Law and Arts, Southern Cross University