Anita Setyawati and Sugeng Hariadi 2026. Economic Growth and Environmental Quality in Java and Sumatra: A Panel Data Analysis of GRDP, Population Density, and Poverty. International Journal of Economics, Business and Innovation Research. 5, 04 (Jul. 2026), 3412-3429. DOI:https://doi.org/10.63922/ijebir.v5i04.5033.