Robert Holden Books

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La vida te ama
La vida te ama

By Louise L. Hay

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"La vida te ama y tienes el poder de crear una vida que ames. La vida te ama es una de las afirmaciones más entrañables de Louise Hay. Es el pensamiento central que representa su vida y su obra. Ju...

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Las claves de la felicidad
Las claves de la felicidad

By Robert Holden

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La vida te ama
Las Claves de La Felicidad
Las Claves de La Felicidad

By Robert Holden

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Milagros diarios
La risa la mejor medicina El poder curativo del buen humor y la felicidad Laughter Is The Best Medicine
Arquitectura del paisaje
Risoterapia
Risoterapia

By Robert Holden, Joan Carles Guix

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Vandaag nog gelukkig zijn
Vandaag nog gelukkig zijn

By Holden Robert

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Praktische adviezen voor het vinden van levensgeluk.

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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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