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- agricultural development[remove]5
- development communication[remove]5
- communication research3
- India2
- information technology2
- research methods2
- rural development2
- Australia1
- Satellite Instructional Television Experiment (SITE)1
- audience research1
- campaign planning1
- campaigns1
- communication systems1
- computers1
- conservation1
- development issues1
- distribution1
- evaluation1
- extension communication1
- information issues1