Nalle, F. W., Suman, A., Kaluge, D., & Ekawati, M. (2025). Dynamics of the underground economy in border areas: A case study of Indonesia-Timor Leste. Jurnal Perspektif Pembiayaan Dan Pembangunan Daerah, 13(4), 316–337. https://doi.org/10.22437/ppd.v13i4.41879