Multi-Objective KNN Algorithm Based on the Level Expenditure in the Snack Food Group for Classification of City in Indonesia. Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam, [S. l.], v. 22, n. 2, p. 176–180, 2025. DOI: 10.31851/sainmatika.v22i2.20427. Disponível em: https://jurnal.univpgri-palembang.ac.id/index.php/sainmatika/article/view/20427. Acesso em: 21 jun. 2026.