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  "formats": "Każda podstrona ma dwie wersje z tymi samymi danymi: JSON (adres strony + .json) i markdown (adres strony + .md). Do każdego `url` w tym dokumencie można dopisać .json albo .md.",
  "title": "¡Vende!",
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  "original_title": "Sell!",
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      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/dale-carnegie/es/vende/9789500773973",
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      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
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  "other_languages": [
    {
      "title": "Jak sprzedawać, żeby chcieli kupować",
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