Lestari, D. E., and W. Wahyudi. “Development of Fraction Puzzle Teka-Teki Media to Improve Mathematical Problem-Solving Ability Students in Elementary School”. Edumaspul: Jurnal Pendidikan, Vol. 7, no. 2, Oct. 2023, pp. 2857-64, doi:10.33487/edumaspul.v7i2.6798.