FABRICATION AND CHARACTERIZATION OF PVDF POLY (VINYLIDENE FLUORIDE)-MEMBRANES USING DIMETHYL SULFOXIDE (DMSO): OPTIMIZING POLYMER CONCENTRATIONS FOR METHYLENE BLUE REMOVAL AND WASTEWATER TREATMENT. PJS 2025, 77 (2), 227-233. https://doi.org/10.57041/vol77iss2pp%p.