Nainggolan, Yunita, Tongam Sihol Nababan, and Martin Luter Purba. “Pengaruh PDRB, Inflasi, UMP Terhadap Tingkat Pengangguran Terbuka Di Sumatera Utara 2010-2024”. J-CEKI : Jurnal Cendekia Ilmiah 5, no. 4 (May 30, 2026): 655–665. Accessed August 6, 2026. https://al-haramjournal.co.id/J-CEKI/article/view/16467.