Rachmadi R, Sugiharti L. Transport Infrastructure, Spatial Spillovers, and Regional Economic Convergence: Evidence from the Balikpapan-Samarinda Toll Road, Indonesia. JE [Internet]. 2026 Aug. 30 [cited 2026 Sep. 10];5(8):5555-71. Available from: https://ejournal.45mataram.ac.id/index.php/economina/article/view/3789