“Improving Elementary School Students’ Mathematical Literacy and Character through Ethnomathematics and Deep Learning in the Era of the Industrial Revolution 4.0”. RUKASI: Jurnal Ilmiah Perkembangan Pendidikan dan Pembelajaran 3, no. 04 (June 29, 2026). Accessed October 6, 2026. https://ojs.ruangpublikasi.com/index.php/rukasi/article/view/2467.