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Subject Term
- visual aids[remove]7
- visual communication7
- educational media6
- extension4
- extension communication4
- development3
- development communication3
- photographs3
- rural development3
- training needs3
- educational methods2
- filmstrips2
- graphics2
- illustrations2
- media effectiveness2
- teaching methods2
- India (Southern Asia)1
- agricultural development1
- attitudes1
- audiovisual media1