- Libro electrónicoPrivacy, Security, and Cyberspace, Revised EditionRobert Plotkin
- Libro electrónicoComputers in Science and Mathematics, Revised EditionRobert Plotkin
- Libro electrónicoCommunication and Cyberspace, Revised EditionRobert Plotkin
- Libro electrónicoComputer Ethics, Revised EditionRobert Plotkin
- Libro electrónicoComputers and Creativity, Revised EditionRobert Plotkin
- Libro electrónicoComputers in the Workplace, Revised EditionRobert Plotkin