(1)
Risdiyanti, I.; Zulkardi, Z.; Putri, R. I. I.; Prahmana, R. C. I.; Nusantara, D. S. Ratio and Proportion through Realistic Mathematics Education and Pendidikan Matematika Realistik Indonesia Approach: A Systematic Literature Review. J. Elemen 2024, 10, 158-180.