@misc{indiciaeb780109743bd,
  title = {Marketing in developing countries.},
  author = {A H Pickering},
  year = {1979},
  doi = {10.1016/s0140-6736(79)92733-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/91009/},
  note = {Source identifier: 91009}
}