Fernando De Los Rios Urruti Books

Contrato social

By Fernando De Los Rios Urruti, Jean Jacques Rousseau

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Contrato social

By Sergio Sevilla Segura, Fernando De Los Rios Urruti, Jean Jacques Rousseau

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Lo que hace de este libro de Rousseau un clásico fundacional del pensamiento político de la modernidad es el modo en que elabora una teoría de la soberanía como sujeto y una formulación del punto d...

Contrato Social o Los Principios Del Derecho Politico

By Fernando De Los Rios Urruti, Jean Jacques Rousseau

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Las Amarguras de Werther

By Johann Wolfgang Von Goethe, Fernando De Los Rios Urruti, Gladys Acosta

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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.