Marlina, Ratna, Wahyu Hidayat, and Tatang Supriatna. “Developing Ethnomathematics-Based Interactive Digital Book to Improve Mathematical Connections and Self-Confidence: The PMRI Approach”. Kalamatika: Jurnal Pendidikan Matematika 11, no. 1 (April 22, 2026): 120-145. Accessed April 22, 2026. https://kalamatika.matematika-uhamka.com/index.php/kmk/article/view/855.