@misc{indiciae6ec7f4e90ebb,
  title = {[Reversible labor migrations in Bulgaria--development, evaluation, and problems].},
  author = {N Michev and E Dimitrov},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/12316672/},
  note = {Source identifier: 12316672}
}