Darmayanti, Rani, Akhsanul Inam, Moh. Mahfud Effendi, and Ribut Wahyu Eriyanti. “Innovation in Learning: The Pizza-Chips-MCA Media Based on Ethnomathematics to Enhance Students’ 4C Skills and Self-Efficacy”. Proceeding of the Excellent Campus and Technology Conference 2, no. 1 (November 14, 2025): 155–1`74. Accessed October 12, 2026. https://eprosiding.unupasuruan.ac.id/index.php/pectc/article/view/18.