{
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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": "Ekonomia - tom 1",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/paul-a-samuelson/ekonomia-tom-1/8301143282",
  "publisher": "Wydawnictwo Naukowe PWN",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
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  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "8-301-14328-2",
  "pages": 658,
  "published": null,
  "language": "pl_PL",
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  "binding": "Softcover",
  "description": "Autorzy połączyli w tym podręczniku wiedzę ekonomiczną z talentem dydaktycznym, a każde nowe",
  "book": {
    "title": "Ekonomia - tom 1",
    "slug": "ekonomia-tom-1",
    "url": "https://www.kolczanksiazek.pl/paul-a-samuelson/ekonomia-tom-1"
  },
  "authors": [
    {
      "name": "Paul A. Samuelson",
      "slug": "paul-a-samuelson",
      "url": "https://www.kolczanksiazek.pl/paul-a-samuelson"
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}