Nalle FW, Suman A, Kaluge D, Ekawati M. Dynamics of the underground economy in border areas: A case study of Indonesia-Timor Leste. JES [Internet]. 2025 Oct. 31 [cited 2026 May 17];13(4):316-37. Available from: https://www.online-journal.unja.ac.id/JES/article/view/41879