Roumen Avramov Books

Communist Planning versus Rationality

By Janos Matyas Kovacs, Roumen Avramov, Xiuli Liu, Maciej Bukowski, Joze Mencinger, Shan Zheng, Xin Xiang, Kaloyan Ganev, Gergely Kohegyi, Julius Horvath, Andrei Belykh, Hans Jurgen Wagener, Grigore Ioan Pirosca, Wojciech Maciejewski, Knut Richter, Valentin Cojanu, Udo Ludwig, Minghui Qin, Stefan Petranov

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Populating No Man s Land

By Janos Matyas Kovacs, Roumen Avramov, Fan Shitao, Oleg Ananyin

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Monastic economy across time

By Roumen Avramov, Elias Kolovos, Aleksandar Fotic

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The book aims at a readership of both economists and historians. Beyond the well-known Weberian thesis concerning the role of Protestantism in the development of capitalism, monastic economies are...

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.