@article{malik1993,
  author  = {Malik, Ali},
  title   = {The Finite Difference Method for Membrane Gas Separation},
  journal = {Open Access Journal of Engineering Applications},
  year    = {1993},
  volume  = {17},
  number  = {1},
  pages   = {48-70},
  issn    = {3105-7004},
  doi     = {10.55555/oajea.1993.1701.003},
  url     = {https://journal.bsaps.com/article/6970}
}