Ngaliman, N., Rafiza, R. and Khaddafi, M. 2025. Analysis of customer satisfaction of regional drinking water company Tirta Mulia Karimun the Riau Islands. Journal of Multidisciplinary Academic Business Studies. 2, 1 (Oct. 2025), 57–67. DOI:https://doi.org/10.35912/jomabs.v2i1.3510.