Wahyudi, Andi Ardhila, and Hamdana Hadaming. “Quartet Card Game Media in Improving Geometry Learning Outcomes of Elementary School Students”. JUDIKDAS: Jurnal Ilmu Pendidikan Dasar Indonesia, vol. 2, no. 2, Mar. 2023, pp. 67-74, doi:10.51574/judikdas.v2i2.838.