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- education effects[remove]53
- evaluation[remove]53
- extension21
- extension programs19
- program evaluation15
- extension communication12
- courses11
- research methods11
- extension services9
- campaigns8
- development8
- media effectiveness8
- rural development8
- campaign planning7
- education programs7
- educational methods7
- training programs7
- India6
- communication planning6
- knowledge6