Erwin, Muthia Ferliani Balqis, Rosman Siregar, Rony Genevent Marpaung, and J.L. Marpaung. “The Effect of Number of Population, Average Expenditure, Unemployment, and Number of Poor People in North Sumatra Province With Path Analysis Method”. Journal of Mathematics Technology and Education 2, no. 2 (March 20, 2023): 126-133. Accessed May 15, 2024. https://talenta.usu.ac.id/jomte/article/view/13589.