Roberto Valcarcel Rojas Books

Dialogues in Cuban archaeology

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Dialogues in Cuban archaeology

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Archaeology of Early Colonial Interaction at el Chorro de Maita Cuba

By Roberto Valcarcel Rojas

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Archaeology of early colonial interaction at El Chorro de Maita Cuba

By Roberto Valcarcel Rojas

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This work enables scholars to examine how the encomienda labor draft worked in the hinterlands, without the everyday presence of Spanish overlords or priests. It allows not only the first opportuni...

Dialogues in Cuban Archaeology

By Roberto Valcarcel Rojas, L. Antonio Curet, David R. Watters, Wilson Samuel M., Lourdes Dominguez

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De la desaparicion a la permanencia

By Roberto Valcarcel Rojas, Jorge Ulloa Hung

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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.