Tamjidillah, M., Ramadhan, M.N., Setiawan, M.F. and Iberahim, J. 2021. Characteristics of raw water sources and analysis of the optimal model of the mixing process with parameter design in clean water pump installations. Eastern-European Journal of Enterprise Technologies. 5, 10 (113) (Oct. 2021), 6–14. DOI:https://doi.org/10.15587/1729-4061.2021.240917.