Ristiana, Pitra Ashrin, Universitas Muhammadiyah Kalimantan Timur (Indonesia)
Ritonga, Doris Apriani, Universitas Negeri Medan (Indonesia)
Riza, Ade Ros, Universitas Negeri Medan (Indonesia)
Rodrigues, Renata Viviane Raffa, Universidade Federal da Grande Dourados (UFGD) (Brazil)
Rodriguez, Sarah L, Iowa State University
Rodriguez, Sarah L., Virginia Tech (United States)
Rodriguez, Sarah L., Texas A&M University - Commerce (United States)
Roehrig, Gillian, University of Minnesota (United States)
Roehrig, Gillian
Rogers, Meredith Park
Romanenko, Svetlana, S.Seifullin Kazakh Agro Technical University (Kazakhstan)
Rosen, Jeff, Georgia Institute of Technology
Rosheim, Kay, University of Minnesota
Rosidah, Noneng Siti, Universitas Ibn Khaldun Bogor (Indonesia)
Rosnelli, Rosnelli, Universitas Negeri Medan (Indonesia)
Ross, Kathleen M.
Rosyadi, Abdul Rahmat, Universitas Ibn Khaldun Bogor (Indonesia)
Rover, Diane, Iowa State University
Rukmana, Erni, Universitas Negeri Medan (Indonesia)
Rushall, Amy, Northern Arizona University (United States)
Rustiadi, Tri, Universitas Negeri Semarang (Indonesia)
Rusyid, Husnul Khatimah, Universitas Pendidikan Indonesia (Indonesia)
Ryabova, Ekaterina, Abai Kazakh National Pedagogical University (Kazakhstan)

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