Lukman, F. .; Nasrullah, R. .; Sobarna, C.; Nugraha, T. C.; Malik, M. Z. A.; Rahim, E.-S. A. A. Indonesian As a Regional Lingua Franca in the Asean Economic Community. jip 2026, 14 (1), 551-572. https://doi.org/10.26811/peuradeun.v14i1.2562.