Hassan, Abdul Rahman, Che Wan Insyirah Che Wan Takwa, Nurul Hannan Mohd Safari, Sabariah Rozali, and Nor Azirah Sulaiman. 2020. “Characterization on Performance, Morphologies and Molecular Properties of Dual-Surfactants Based Polyvinylidene Fluoride Ultrafiltration Membranes”. Periodica Polytechnica Chemical Engineering 64 (3):320-27. https://doi.org/10.3311/PPch.13862.