Guillermo Perry Books

Finanzas publicas, estabilizacion y reforma estructural en America Latina

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Public finances, stabilization, and structural reform in Latin America

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"Summarizes recent changes in Latin American public finances and tax structures. Primary focus on Argentina, Chile, Colombia, and Mexico. Describes impact of fiscal decentralization, privatization,...

Improving Access and Quality of Public Services in Latin America

By Ramona Angelescu Naqvi, Guillermo Perry

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Improving Access and Quality of Public Services in Latin America

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Decidi contarlo

By Guillermo Perry

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Diez anos de reformas tributarias en Colombia

By Guillermo Perry

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Reduccion de la pobreza y crecimiento

By Guillermo Perry

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Politica petrolera

By Guillermo Perry

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Fiscal Reform and Structural Change in Developing Countries

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Chile

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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.