Genre
Conference papers and proceedings
153
Technical reports
14
Periodicals
12
Handbooks and manuals
9
Video games
7
Bibliographies
6
Software
4
Academic theses
3
Serial publications
3
Statistics
3
Abstracts
2
Catalogs
2
Computer-assisted instruction
2
Legislative hearings
2
Congresses
1
Directories
1
Educational games
1
Encyclopedias
1
Popular works
1
Programmed instructional materials
1
Textbooks
1
Video recordings
1