FORECASTING INDUSTRIAL PH LEVELS: COMPARATIVE STUDY OF SARIMA, REGRESSION TREES AND CONTROL CHART DIAGNOSTICS. Quantum Journal of Engineering, Science and Technology, [S. l.], v. 6, n. 3, p. 14–22, 2025. DOI: 10.55197/qjoest.v6i3.235. Disponível em: https://qjoest.com/index.php/qjoest/article/view/235. Acesso em: 18 may. 2026.