Danang Widoyoko Books

Good Governance and Provision of Affordable Housing in DKI Jakarta Indonesia

By Danang Widoyoko, M. Sohail

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Oligarki dan korupsi politik Indonesia

By Danang Widoyoko

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On political corruption in Indonesia and its correlation with oligarchy system in the government practices in Indonesia.

Hukum berhenti di kasus BLBI

By Danang Widoyoko

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Legal cases on misappropriation of funds in Indonesian banks.

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.