Carl Sagan Books

Bilhoes e Bilhoes
Bilhoes e Bilhoes

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Contato
Contato

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Los dragones del Eden
Cometa
Cometa

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Palido ponto azul
Palido ponto azul

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O Mundo Assombrado Pelos Demonios
O Mundo Assombrado Pelos Demonios

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Bilhoes e Bilhoes
Bilhoes e Bilhoes

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Kontakt
Kontakt

By Carl Sagan

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`Kontakt` je roman autora TV serije i knjige `Kosmos`, po kojem je snimljen uspešan film. Sagan govori o prvom kontaktu ljudske rase s vanzemaljskim civilizacijama. Jedan Odabrani - ONA, putuje međ...

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If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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