Fernando Ulloa Books

Novela Clinica Psicoanalitica / Early Aquatic Experiences For Babies

By FERNANDO, Fernando Ulloa, Ulloa, Fernando O. Ulloa

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Salud Ele-Mental

By Fernando Ulloa

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Este vagar del pensamiento […] por caminos sin metas es semejante al pensar pensando, donde cada tanto nos sorprende un descubrimiento con valor de meta. En cuanto a las metas sin caminos, entiendo...

Novela Clínica Psicoanalítica

By Fernando Ulloa

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Una teoría es psicoanalítica porque habla del y al inconsciente. Este libro ha sido elaborado desde la noción –y en parte la acción- del propio análisis. Cabe pensar que no sólo habla del inconscie...

Novela Clínica Psicoanalítica: Historial De Una Práctica

By Fernando Ulloa

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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.