Improvement of Learning Process and Outcomes Using an Open-Ended Approach in Mathematics EducationĀ in Elementary Schools (R. S. Utama, P. Wahyu Hidayat, & T. W. Agrita , Trans.). (2025). Master of Civic Innovation and Education Technology, 1(1), 1-12. https://doi.org/10.63461/civic-edutech.v11.121