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      "bibtex": "@misc{immigrationdb_immigrationdb_cheapest-cities-to-rent-in-bulgaria_13d1a9d6a031,\n  author = {ImmigrationDB},\n  title = {Cheapest cities to rent in Bulgaria},\n  publisher = {ImmigrationDB},\n  year = {2026},\n  date = {2026-09-29},\n  version = {fc58eb9be450514d0ab560e4a7bcf3f7},\n  url = {https://immigrationdb.com/reports/bulgaria-cheapest-cities-to-rent/},\n  note = {Retrieved 2026-09-29. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},\n}",
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      {
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    "meaning_audit": [
      "Compare the displayed value, unit, source date and geographic grain together.",
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}