Roberta R. Books

Human Behavior Theory
Human Behavior Theory

By Roberta R. Greene, GREENE, Roberta Rubin Greene, Roberta R.

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"In recent years, advocates for civil rights for minorities, women, and gays and lesbians have become more informed consumers of mental health services. As a result, social work practitioners need...

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Studies Of The Holocaust: Lessons In Survivorship
Studies Of The Holocaust: Lessons In Survivorship
The Foundation
The Foundation

By Roberta R Carr, Carr, Roberta R.

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A Paperback Novel

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How To Paint Trays With Authentic Antiqu
The Vernazza Effect
The Vernazza Effect

By Roberta R Carr, Carr, Roberta Carr, Roberta R.

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Do We Control Our Destiny Or Is It Controlled By A Greater Power? Roberta Carr Explores This Question In Her Captivating Novel, The Vernazza Effect. Ella Walker Is A Young Woman From A Good Family...

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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.

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