I. N. Sitorus, A. Wardana, A. Widiastuti, and A. T. Wijayanti, “Master’s students’ perceptions of cultural diversity in junior high social studies textbooks”, Inov. Curr, vol. 22, no. 3, pp. 1447–1460, Aug. 2025, doi: 10.64014/jik.v22i3.128.