@article{rao1991,
  author  = {Rao, Habibur and Chowdhury, Ramesh and Lee, Meena and Hossain, Shamsul},
  title   = {Activated Sludge Treatment using Wind Tunnel Testing},
  journal = {Open Access Journal of Engineering Applications},
  year    = {1991},
  volume  = {15},
  number  = {2},
  pages   = {253-264},
  issn    = {3105-7004},
  doi     = {10.55555/oajea.1991.1502.013},
  url     = {https://journal.bsaps.com/article/6830}
}