Commodore SX-64 - First Look and RAM Replacement - YouTube
Commodore SX-64 -- The first color, portable computer
Mastering the Commodore 64: Greenshields, Mark: 9781789824612: Books - Amazon.ca
Amazon | Winning Strategy Games on the Commodore 64 (Ellis Horwood books in computing) | Matthews, Toby, Smith, Dr. Paul, Peters, Edward | Puzzles & Games
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Commodore SX-64 -- The first color, portable computer