“Troubled-Cell Indicators Using K-Means Clustering for RKDG Methods on Triangular Meshes and $h$-Adaptive Rectangular Meshes”, Adv. Appl. Math. Mech., vol. 17, no. 3, pp. 1014–1036, Mar. 2025, doi: 10.4208/aamm.OA-2022-0314.