Statistical Process Control with Real-World Water Quality Data: An Illustrative MEC Control Chart Approach for Mathematical Science. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 9, n. 1, p. 238–244, 2026. DOI: 10.30605/proximal.v9i1.7860. Disponível em: https://e-journal.my.id/proximal/article/view/7860. Acesso em: 11 apr. 2026.