Ritonga, Sally Irvina, Department of Physics, Faculty of Mathematics and Natural Sciences – Universitas Sumatera Utara, Jl. Dr. T. Mansur No.9, Padang Bulan, Kec. Medan Baru, Kota Medan, Sumatera Utara (Indonesia)
Rizqi, Hanifatur, Science Education Study Program, Faculty of Teaching and Edication, University of Wiraraja. Jl. Raya Sumenep Pamekasan km. 5 Patean, Sumenep. Postal code: 69451 (Indonesia)
Rofi'ah, Darojatar, Department of Physics Education Universitas Negeri Surabaya, Jl. Ketintang, Surabaya, Postal code: 60321 (Indonesia)
Rohmah, Anggi Aulidhia, Universitas Negeri Surabaya (Indonesia)
Rohmawati, Indah, STIKes Hutama Abdi Husada Tulungagung (Indonesia)
Rokhmat, Joni
Rokhmat, Joni, University of Mataram (Indonesia)
Romantika, Dwi Dina, Faculty of Nursing, Universitas Airlangga, Mulyorejo-Surabaya city, East Java. Postal code: 60115 (Indonesia)
Rosandi, Adhiesta Kurnia Fikri, Program Studi Pendidikan Sains PPs UNESA
Roshayanti, Fenny, Science Education Postgraduate Program, Universitas PGRI Semarang, Jl. Sidodadi Timur No.24, Karangtempel, Semarang, Jawa Tengah 50232 (Indonesia)
Royani, Alifia, Universitas Negeri Surabaya (Indonesia)
Royani, Ida, Pendidikan Biologi FPMIPA IKIP Mataram (Indonesia)
Rus, Aipan, Program Studi Pendidikan Biologi, FPMIPA, IKIP Mataram
Rusdiana Putri, Kurnia Dewi, University of Mataram (Indonesia)
Rusdianto, Rusdianto, Jember university (Indonesia)
Rusdiyani, Isti, Universitas Sultan Ageng Tirtayasa (Indonesia)
Rusman, La Ode, Universitas Halu Oleo (Indonesia)
Ruswana, Angra Meta

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