Rahman, Arif, M Syafii, and Sukma Hakim. “Analysis of Factors Affecting Poverty in the North Sumatra Province”. Economics Development Analysis Journal 10, no. 2 (June 5, 2021): 174-183. Accessed August 3, 2021. https://journal.unnes.ac.id/sju/index.php/edaj/article/view/44164.