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Donald J. Koosis

by Roland Buresund last modified 2011-02-13 04:13

Donald J. Koosis, owner of ISC Consultants, has been developing materials to help people understand computers for more than 20 years. He has worked for IBM, Bell Labs, Xerox, and now owns his own company, Instructional Systems Co., Inc. He is the author of best-selling self-instructional books on Statistics and Electricity/Electronics.


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