Ningrum, Ruwanti Dewi Cahya, and Nita Kusumawati. 2016. “Development and Characterization of Polysulfone Polyvinylidene Flouride Blend Membrane Induced by Delayed Liquid-Liquid Demixing”. International Journal on Advanced Science, Engineering and Information Technology 6 (5):716-22. https://doi.org/10.18517/ijaseit.6.5.911.