S. Sayfi Books

Dawran i Nasiri
Dawran i Nasiri

By S. Sayfi

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Sayah ha yi Sawshiyant
Sayah ha yi Sawshiyant

By S. Sayfi

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Study in beliefs of savior "Messiah" in the Iranian religions and culture throughout Persian literature and history.

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Ayinha Yi Ruspigari Va Ruspigari I Ayini
Nishanahguzariha Dar Azadaran I Bayal
Tannaziha Yi Ubayd
Tannaziha Yi Ubayd

By S. Sayfi

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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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