Estimurti, E. S., and Y. . Sriwihartati. “Efforts to Improve Mathematics Learning Outcomes Using the Realistic Mathematics Education (RME) Learning Model Assisted by Student Number Card Media Class IV SDN-1 New Kasongan”. Tunas: Jurnal Pendidikan Guru Sekolah Dasar, vol. 9, no. 2, June 2024, pp. 104-7, doi:10.33084/tunas.v9i2.6945.