R. Darmayanti, A. Inam, M. M. Effendi, and R. W. Eriyanti, “Innovation in Learning: The Pizza-Chips-MCA Media Based on Ethnomathematics to Enhance Students’ 4C Skills and Self-Efficacy”, pectc, vol. 2, no. 1, pp. 155–1`74, Nov. 2025.