Siregar, Sakinah, and A. Naashir M. Tuah Lubis. 2024. “The Effect of Ethnomathematics Approach on Numbers 1-20 Counting Skills for Children 4-6 Years Old”. Jurnal Pendidikan Anak 13 (2):201-8. https://doi.org/10.21831/jpa.v13i2.491.