PUTRY SIAGIAN. Analysis Of Unemployment, Inflation Rate, And Investment On The Number Of Poor Populations In North Sumatra Province, 1991 – 2020. Outline Journal of Economic Studies, [S. l.], v. 3, n. 1, p. 53–65, 2024. DOI: 10.61730/ojes.v3i1.95. Disponível em: https://journal.outlinepublisher.com/index.php/OJES/article/view/95. Acesso em: 14 sep. 2025.