Rahma, A E
Rahmadani, Annisa, Department of Science Education, Universitas Negeri Padang, Padang, Indonesia
Rahmaniar, Andinisa, Department of Science Education, Garut University (Indonesia)
Ritonga, Rizki Annisa, Universitas Negeri Medan (Indonesia)
Rumahorbo, Sari Marina, Universitas Negeri medan (Indonesia)