Daniel J. Ryan Books

Defending Your Digital Assets Against Hackers, Crackers, Spies, And Thieves
Defending Your Digital Assets Against Hackers, Crackers, Spies, And Thieves

By Daniel J. Ryan, Julie J. C. H. Ryan, Randall K. Nichols, Randall K. Nichols, Daniel J. Ryan, Julie J. C. H. Ryan

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Learn to stop digital espionage-before it happens! Manage your way to security in an increasingly interconnected world. Network data has become increasingly valuable in today's public and private s...

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Privatization And Competition In Telecommunications: International Developments
Privatization And Competition In Telecommunications: International Developments

By Daniel J. Ryan, Daniel Ryan

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Throughout the world, governments are reducing their involvement in the area of telecommunications. Some telecommunications are being fully or partly privatized while others are experiencing deregu...

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Job Search Handbook For People With Disabilities
Job Search Handbook For People With Disabilities

By Daniel J. Ryan, NetLibrary, Inc

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This is one of the few complete career planning and job search guides for people with physical and mental disabilities. Helps readers identify their strengths; explore career options; find job open...

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Job Search Handbook For People With Disabilities: A Complete Career Planning And Job Search Guide, 3rd Ed
Job Search Handbook For People With Disabilities: A Complete Career Planning And Job Search Guide, 3rd Ed

By Daniel J. Ryan, NetLibrary, Inc

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This is one of the few complete career planning and job search guides for people with physical and mental disabilities. Helps readers identify their strengths; explore career options; find job open...

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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.

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