Mariana Wongtschowski Books

Putting heads together

By E. Suzanne Nederlof, Femke Van Der Lee, Mariana Wongtschowski

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The business of agricultural business services

By David Kahan, Belt John Advisor In Economic Development, W. Heemskerk, Mariana Wongtschowski

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"An increasing number of African smallholders are moving from subsistence farming to selling at least part of their output. To shift successfully to a more commercial footing they need a lot more t...

Changing agricultural education from within

By Washington Ochola, Willem Heemskerk, Mariana Wongtschowski

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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.