Ong, Y. T., Ahmad, A. L., Zein, S. H. S., Sudesh, K., & Tan, S. H. (2011). Poly(3-hydroxybutyrate)-functionalised multi-walled carbon nanotubes/chitosan green nanocomposite membranes and their application in pervaporation. Separation and Purification Technology, 76(3), 419-427. https://doi.org/10.1016/j.seppur.2010.11.013