Ethical decision making and information technologyErnest A. Kallman, John P. Grillo · First published 1993Open the Tome
Data and file management for the IBM personal computerJohn P. Grillo · First published 1983Open the Tome
Introduction to graphics for the IBM Personal ComputerJohn P. Grillo · First published 1983Open the Tome
User's guide with applications for the IBM personal computerJohn P. Grillo · First published 1983Open the Tome
