Yap, Abdullah Nurul Syafiqah, Department of Physics, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris (Malaysia)
Yim, Louis Wai Keung, Singapore Examinations and Assessment Board (Singapore)
Yufridawati, Yufridawati, Center of Educational Standards and Policy under Ministry of Education, Culture, Research and Technology, Republic of Indonesia (Indonesia)
Yuldashev, Azim Abdurakhmanovich, Chirchik State Pedagogical University (Uzbekistan)
Yunanto, Prasetyo Wibowo, Universitas Negeri Jakarta (Indonesia)
Yuniandita, Alfin Nuramalia, Departement of Geography Education, Faculty of Social Science, Yogyakarta State University. (Indonesia)
Yusron, Eri, Universitas Negeri Yogyakarta (Indonesia)
Yusron, Eri, Universitas Negeri Yogyakarta; Pusat Studi Pendidikan dan Kebijakan (PSPK) (Indonesia)
Yvette, Umwari, University of Kibungo (Rwanda)

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