Al Aqilah, Muhamad Refkhi, Masruri Muchtar, dan Pardomuan Robinson Sihombing. 2024. “Analisis Determinan Ketimpangan Pendapatan Di Pulau Sumatera”. Journal of Law, Administration, and Social Science 4 (1):13-24. https://doi.org/10.54957/jolas.v4i1.684.