Subject
language
30
language textbook
11
training program
3
automatic translation
2
office communication
2
technical English
2
terminology
2
thesaurus
2
Internet
1
communication theory
1
computer program
1
economic terminology
1
energy
1
learning
1
natural language
1
office management
1
rhetoric
1
scientific work
1
solar energy
1
solar technology
1
visualization
1