Embarki S, El Kihel Y, El Kihel B. A Digital Twin and IoT-Enabled Predictive Maintenance and Energy Optimisation Framework for Hospital Wastewater Treatment Systems. S AFR J IND ENG [Internet]. 2026Aug.31 [cited 2026Sep.1];37(2):181-98. Available from: https://sajie.journals.ac.za/pub/article/view/3401