Leasiwal, Teddy Christianto, Rukmuin W. Payapo, Hermi Oppier, and Diah Setya. 2022. “Analysis of Income Disparities Between Regions in the Western Region of Indonesia and the Eastern Region of Indonesia”. International Journal of Science and Society 4 (4), 638-56. https://doi.org/10.54783/ijsoc.v4i4.612.