Ahmed, M., U. Usmiyatun, N. Nurhidayah, R. Darmayanti, and I. N. Azizah. “PDKT: Introducing Numbers 1-10 for Kindergarten Students Using Card Media, Does It Improve?”. AMCA Journal of Education and Behavioral Change, vol. 1, no. 2, June 2021, pp. 69-73, doi:10.51773/ajeb.v1i2.268.