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WordStar in English I
by
Steven Doroff, Larry Doroff
English One Computer Tutorials, Incorporated, January 1984
Paperback
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dBASE II in English I
by
Steven Doroff
English 1 Computer Tutorial, January 1984
Paperback
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dBASE II and III in English I
by
Steven Doroff, Larry Doroff
English 1 Computer Tutorial, August 1985
Paperback
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