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Subject Term
- social change[remove]16
- development8
- development communication7
- mass media6
- media effectiveness5
- roles5
- rural development5
- social factors5
- Internet4
- information issues4
- information technology4
- Africa3
- communication theory3
- development issues3
- farmers3
- health information3
- history3
- interest groups3
- radio3
- telephone communication3