Agustrianai, F. 2019. The Use of Hot Potatoes as Learning Media In Algebra Operations Material to Increase Activities and Learning Outcomes of Seventh Grade Students in SMP Al Hidayah Karangduren 2018/2019 Academic Year. Jurnal Axioma : Jurnal Matematika dan Pembelajaran. 4, 2 (Jul. 2019), 139–150. DOI:https://doi.org/10.36835/axi.v4i2.461.