Anggereksa, D., and I. . Mulyawati. “Development of Teaching Media of Multiplication Ketupat (Ketupel) on Improving The Ability to Count Multiplication of Grade III Elementary School Students”. Eduvest - Journal of Universal Studies, vol. 4, no. 12, Dec. 2024, pp. 12050-61, doi:10.59188/eduvest.v4i12.1626.