Ladislav Valach Books

Action Theory

By Ladislav Valach, M. Judith Lynam, Richard A. Young

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Counseling and Action

By Young Richard A., Ladislav Valach, Jose F. Domene

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Counseling and Action

By Young Richard A., Ladislav Valach, Jose F. Domene

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Engaging in action is at the heart of our most meaningful experiences. And given the fast-paced, goal-driven nature of modern society, engagement in action is also central to how we perceive oursel...

Psychologische Handlungstheorie in angewandter Forschung und Praxis

By Ladislav Valach, Urs Kalbermatten

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Action Theory

By Young Richard A., Ladislav Valach, M. Judith Lynam

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Action Theory

By Young Richard A., Judith Lynam, Ladislav Valach, M. Judith Lynam

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Transition to Adulthood

By Young Richard A.

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Transition to Adulthood

By Young Richard A.

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Transition to Adulthood

By Young Richard A., Ladislav Valach, Sheila K. Marshall

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Transition to Adulthood

By Matthew D. Graham, Young Richard A., Ladislav Valach, Sheila K. Marshall, Jose F. Domene

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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.