Sihotang, Sabrina Erisa Aulia, Khairunnisa Umi Al Mas, Dwi Atika Zahara, and Siti Mardiah. “The Effect of Unemployment and Poverty Rates on the Human Development Index in North Sumatra from 2013–2024”. International Journal of Advanced Research 2, no. 6 (May 1, 2026): 287–295. Accessed May 4, 2026. https://journal.outlinepublisher.com/index.php/ijar/article/view/639.