Lomanto, Resga Permata Octavia, and Wahyu Hidayat Riyanto. 2026. “The Impact of Transportation Transformation on the GRDP Ratio of the Transportation Sector in 5 Provinces on Java Island”. ECOIMPACT: Journal of Economic Sustainability, Digital Business, and Creative Industries 1 (1). https://journal.ets-institute.com/index.php/Ecoimpact/article/view/29.