FITRIYAH, N.; WIRYANTO; EKAWATI , R. .; MARIANA, N.; SISWONO, T. Y. E. . Ethnomathematics in Sidoarjo Batik Motifs: An Ethnographic Study of Mathematical Concepts in Local Cultural Artifacts. Journal of Innovation and Research in Primary Education, [S. l.], v. 4, n. 3, p. 1251–1260, 2025. DOI: 10.56916/jirpe.v4i3.1531. Disponível em: https://ejournal.papanda.org/index.php/jirpe/article/view/1531. Acesso em: 21 jan. 2026.