Fatmawati, E. N., Mariana, N., & Ekawati , R. . (2025). Ethnomathematics in Traditional Culinary Practice: Mathematical Concepts in the Preparation and Sale of Nasi Pecel Tumpang in Kediri, Indonesia. Journal of Innovation and Research in Primary Education, 4(3), 1242–1250. https://doi.org/10.56916/jirpe.v4i3.1530