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    "url": "https://www.kolczanksiazek.pl"
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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": "The Need to Lead",
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  "authors": [
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      "code": "KJ",
      "heading": "Biznes i zarządzanie"
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    {
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      "heading": "Zarządzanie i techniki zarządzania"
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  "description": "Leadership is a universal requirement for success, no matter the environment. This undeniable truth is something Dave Berke learned first-hand as a Marine Corps officer, fighter pilot, TOPGUN instructor, ground combat leader and now chief development officer at Echelon Front, the training company...",
  "editions": [
    {
      "title": "The Need to Lead",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/dave-berke/the-need-to-lead/9781035090747",
      "publisher": "Pan Macmillan",
      "publisher_series": [],
      "translators": [],
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      "duration_seconds": null,
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      "isbn": "978-10-3509-074-7",
      "pages": null,
      "published": "2025-01-01",
      "language": "pl_PL",
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