Richard Ku M.A. Books

Barron s SAT Subject Test Math Level 2 2008 with CD ROM Barron s SAT Math Level II W CD

By Howard P. Dodge, Richard Ku M.A.

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Barron s SAT Subject Test Math Level 2 11th Edition

By Richard Ku M.A.

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Barron s SAT Subject Test

By Richard Ku M.A.

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SAT subject test math

By Richard T. Ku

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Provides a diagnostic exam so readers can determine their strengths and weaknesses, reviews major topics on the test, and includes six full-length practice exams with answers and explanations.

SAT subject test math

By Richard T. Ku

Average: 0.00, 0 Ratings

Provides a diagnostic exam so readers can determine their strengths and weaknesses, reviews major topics on the test, and includes six full-length practice exams with answers and explanations.

Barron s SAT subject test

By Richard T. Ku

Average: 0.00, 0 Ratings

Provides a diagnostic exam so readers can determine their strengths and weaknesses, reviews major topics on the test, and includes 7 full-length practice exams with answers and explanations.

Barron s SAT Subject Test Math Level 2 12th Edition

By Richard Ku M.A.

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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.