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عنوان دوره: پنجمین کنگره علوم ترویج و آموزش کشاورزی و منابع طبیعی ایران

¹MSc student of agricultural extension and education, department of agricultural extension and education, collage of agriculture, shiraz university, shiraz, Iran

²Associated professor , department of agricultural extension and education, collage of agriculture, shiraz university, shiraz, Iran

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new research topics؛ agricultural sciences؛ Purdue University؛ Agricultural Extension and Education