Prasasti, G., Darmanto, E., Supriyono, S. and Tomya, S. 2025. Multi-Criteria Evaluation Based on MOORA for Improving Water Treatment Operations. Journal of Information Systems and Informatics. 7, 3 (Sep. 2025), 2345-2363. DOI:https://doi.org/10.51519/journalisi.v7i3.1192.