[1]
Sembiring, H. and Br Karo, M. 2023. Test the Capability of the Down Flow-Up Flow Combination Filter Rate Lead (PB), Iron (FE) and Manganese (MN) which are Contained on Water Well Drill Public Residential Still Village Ndokum Siroga I Subdistrict Intersection Four Regency Karo . International Journal of Membrane Science and Technology. 10, 3 (Sep. 2023), 2348-2354. DOI:https://doi.org/10.15379/ijmst.v10i3.1962.