Rofiuddin, Mohammad. “Analisis Ketimpangan Pendapatan Di Negara Middle Income Dan High Income: Pendidikan, Pengangguran, Upah, Dan Inflasi”. Journal of Economics Research and Policy Studies 4, no. 2 (August 30, 2024): 342–352. Accessed July 2, 2025. https://journal.nurscienceinstitute.id/index.php/jerps/article/view/746.