Tran, Hai, Linh Van, Minh Vuu, and Phong Mai. 2016. “Separation Performance of Poly(vinyl Alcohol) Based Nanofiltration Membranes Crosslinked by Malic Acid for Salt Solutions”. Science and Technology Development Journal 19 (3), 70-78. https://doi.org/https://doi.org/10.32508/stdj.v19i3.562.