D. . Nurmala, R. S. Dewi, H. A. binti Hisham, M. K. Wardana, and M. Daniel, “Linguistic Landscape Labelling on Business Signboards in Medan, Indonesia and in Bangi, Malaysia”, JPWS, vol. 4, no. 05, pp. 634–642, May 2025, doi: 10.58812/jpws.v4i05.2154.