Ridwan, M. Rais, Graduate School, Study Program of Educational Research and Evaluation, Universitas Negeri Yogyakarta, Yogyakarta Study Program of Mathematics Eduation, STKIP YPUP Makassar, Makassar (Indonesia)
Rizdanti, Sabilla, Islamic University of North Sumatera (Indonesia)
Rodin, Jason, Jason Rodin West Texas A&M University United States of America
Rodin, Jason C., West Texas A&M University Canyon, TX (United States)
Rogowsky, Beth A., 400 East 2nd St. Bloomsburg, PA 17815 brogowsk@bloomu.edu Office: 570-389-4998 Fax: 570-389-3848 (United States)
Rojas-Kramer, Carlos A., Universidad Cristóbal Colón, México (Mexico)
Roman Suero, Silvia, University of Extremadura (Spain)
Ronau, Robert N, National Science Foundation
Ronduen, Lionnel G., University of Houston (United States)
Rosdy, Wan Athirah Wan, Faculty of Education, University of Malaya (Malaysia)
Ross, Julie M, Virginia Tech
Roth McDuffie, Amy, Washington State University Tri-Cities (United States)
Rothrock, Katrina S., University of Kansas (United States)
Rowe, Nicholas, University of Lapland. Finland (Finland)
Rowe, Shawn, Oregon State University; National Institute of Public Communication of Science and Technology (United States)
Runnalls, Cristina
Rusilowati, Ani, Universitas Negeri Semarang Kampus Sekaran Gunungpati Semarang Indonesia (Indonesia)
Ruzic-Baf, Maja, Juraj Dobrila University of Pula Department of Educational Sciences (Croatia)
Ryan, Thomas G., Nipissing University (Canada)
Saab, Maysa, Lebanese University (Lebanon)
Saari, Henna, University of Eastern Finland (Finland)
Sabtiwu, Rufai (Ghana)
Saglam, Merve, Ministry of National Education (Turkey)
Sahin, Aykut, Munzur University (Turkey)
Sahin, Ismail, Necmettin Erbakan University
Sahin, Omer
Sahin, Seda, Adiyaman University (Turkey)
Sahin, Senem, Assoc.Prof.Dr. University of Augsburg (Germany)
Sahito, Zafarullah, Sukkur IBA University, Sukkur, Sindh, Pakistan (Pakistan)
Said, Ziad, College of the North Atlantic Qatar (Qatar)

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