1David Hovemeyer.GeekOS:An Instructional Operating System for Real Hardware[EB]. http://geekos.sourceforge.net/docs/ .
2Tom Bennet.A thread implementation project supporting an operating systems course[].Journal of Computing Sciences in Colleges.2007
3Mark Claypool,David Finkel,Craig Wills.An open source laboratory for operating systems projects[].ACM SIGCSE Bulletin archive.2001
4Charles L Anderson,Minh Nguyen.A SURVEY OF CONTEMP-ORARY INSTRUCTIONAL OPERATING SYSTEMS FOR USE IN UNDERGRADUATE COURSES[].Journal of Computing Sciences in Colleges.2005