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    Start Over You searched for: Subject Term audiovisual aids Remove constraint Subject Term: audiovisual aids Subject Term educational media Remove constraint Subject Term: educational media Language English Remove constraint Language: English

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    2. Audio cassette technology for the flow of agriculture information

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    4. Audiovisuals in the NAL collection relating to alternative farming systems

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    7. Effectiveness of the synchronized tape cum slide projector for imparting nutritional information to rural women

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    9. Evaluation of poster with regard to its characterisics from farmers' point of view

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    10. Evaluation of the use of closed circuit television by a Purdue university specialist to teach grain marketing principles

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