I. K. . Suardi, Muhammad Nursa'ban, and Uldiyanti Sya'diah Syahdan, “Instructional Decoupling in Character Education Policy: An Evaluation of Elementary Schools in Yogyakarta”, JPKP, vol. 19, no. 1, Aug. 2026, doi: 10.24832/jpkp.v19i1.1342.