Modeling the Number of Poor Population using Geographically Weighted Negative Binomial Regression (GWNBR) in North Sumatera Province. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 9, n. 2, p. 709–719, 2026. DOI: 10.30605/proximal.v9i2.9583. Disponível em: https://e-journal.my.id/proximal/article/view/9583. Acesso em: 19 aug. 2026.