@article{heba2021reunderstanding,
  title = {Reunderstanding Cairo through urban metabolism: Formal versus informal districts resource flow performance in fast urbanizing cities}
  author = {Heba Allah Essam E. Khalil and Ahmad Al‐Ahwal},
  journal = {Journal of Industrial Ecology},
  url = {https://doi.org/10.1111/jiec.13056},
  doi = {10.1111/jiec.13056},
  year = {2021}
}