%0 Journal Article %J Journal of Technical Writing and Communication %D 2000 %T Communicative Practices in the Workplace: A Historical Examination of Genre Development %A Zachry, Mark %K activity theory %K evolution %K genre %K history %K organizational communication %K workplace %B Journal of Technical Writing and Communication %V 30 %P 57–79 %8 2000 %G eng %0 Journal Article %J Journal of Technical Writing and Communication %D 2000 %T Communicative Practices in the Workplace: A Historical Examination of Genre Development %A Zachry, Mark %B Journal of Technical Writing and Communication %V 30 %P 57-79 %G eng %R 10.2190/UMGD-LGR6-QJUE-CJHY %0 Journal Article %J Journal of Technical Writing and Communication %D 2001 %T Constructing Usable Documentation: A Study of Communicative Practices and the Early Uses of Mainframe Computing in Industry %A Zachry, Mark %B Journal of Technical Writing and Communication %V 31 %P 61-76 %G eng %R 10.2190/C8TF-TBAV-FH8U-UU9K