Penelope L. Peterson Books

Students Thought Process Teachers Thought Processes

By Merlin C. Wittrock, Penelope L. Peterson, Christopher M. Clark

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International Encyclopedia of Education, 8-Volume Set

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International encyclopedia of education

By Eva L. Baker, Barry McGaw, Penelope L. Peterson

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The field of education has experienced extraordinary technological, societal and institutional change in recent years, making it one of the most fascinating yet complex fields of study in social sc...

Social Context of Instruction: Group Organization and Group Processes

By Penelope L. Peterson

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Restructuring in the classroom

By Richard F. Elmore

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Learning from Our Lives

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Research on teaching

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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.