Villagran Books

Teach Me 3
Teach Me 3

By Enrique Villagran, ENRIQUE, Villagran

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Represión En Dictadura: El Papel De Los Civiles
Represión En Dictadura: El Papel De Los Civiles

By Fernando Villagrán, Villagran, Fernando Et Al.

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Fernando Villagrán ... [et Al.]. Includes Bibliographical References.

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El Riego Y La Fertilización Del Cultivo Del Tomate
El Riego Y La Fertilización Del Cultivo Del Tomate

By Hugo, Rodrigo, Franco, GIL, Villagran, Carlos Ricardo, Bojacá, Edwin Andrés, Carlos Ricardo Bojacá

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El tomate es una de las hortalizas de mayor consumo en Colombia, y, por lo tanto, también es uno de los productos hortícolas con mayor área cultivada. La diversidad de zonas agroclimáticas de Colom...

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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.

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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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