Sam, Fitrayuddin, Syamsu Alam, and Patmaniar Patmaniar. “Developing an Ethnomathematics-Based Transformational Geometry Textbook to Enhance Students’ Mathematical Literacy”. Kognitif: Jurnal Riset HOTS Pendidikan Matematika 5, no. 4 (December 8, 2025): 1653–1671. Accessed December 17, 2025. https://etdci.org/journal/kognitif/article/view/3860.