Jooseop Keum Books

Together towards life

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"The new World Council of Churches (WCC) ecumenical affirmation on mission and evangelism, Together towards Life: Mission and Evangelism in Changing Landscapes, was prepared by the Commission on Wo...

Gospel for Workers

By Jione Havea, Kim Yong Bock, Seo Deok Seok, Jooseop Keum, David Song

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Ecumenical Missiology

By Ken Ross, Jooseop Keum, Kyriaki Avtzi

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Ecumenical Missiology

By World Council Of Churches Staff, Kenneth R. Ross, Jooseop Keum, Kyriaki Avtzi, Roderick R. Hewitt

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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.