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Subject Term
- audiovisual aids[remove]12
- teaching methods[remove]12
- education methods7
- educational media5
- India4
- extension communication4
- media effectiveness4
- development communication3
- consumer information2
- development2
- educational media video2
- educational methods2
- extension programs2
- farmers2
- gardening2
- retail promotion2
- tape recordings2
- teaching aids2
- training2
- video2