NN Chopabayeva, & KN Mukanov. (2015). Synthesis and Characterization of Novel Nano-,Micro- and Macroporous Lignin Sorbents for Purification of Biological Fluids. Journal of Chemical Engineering Research Updates, 2(1), 1–11. https://doi.org/10.15377/2409-983X.2015.02.01.1