communication methods : 19 phrases in 12 subjects |
Advertising | 2 |
Communications | 2 |
General | 2 |
Information technology | 2 |
Marketing | 1 |
Mass media | 1 |
Medical appliances | 1 |
Military | 2 |
Natural resourses and wildlife conservation | 1 |
Programming | 3 |
Radio | 1 |
Security systems | 1 |