Madu, A. ., Rimo, I. H. E. ., Nenotaek, B. ., & Agil, A. F. . (2025). Development of ethnomathematics-based e-modules to improve student learning outcomes on circle material. International Journal of Innovative Research and Scientific Studies, 8(4), 1347–1362. https://doi.org/10.53894/ijirss.v8i4.8069