Ruru, Y., Wahyudi, I., & Mariati Hutabarat, I. (2024). The Training on The Use of GeoGebra for Mathematics Teachers in Jayapura District. Jurnal Pemberdayaan Masyarakat Madani (JPMM), 8(2), 22–31. https://doi.org/10.21009/JPMM.008.2.04