Rahmadani Manik, Juita, Program Sudi Agribisnis, Fakultas Pertanian Universitas Muhammadiyah Sumatera Utara, Indonesia
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Vol 3, No 1 (2019): "JASc" JOURNAL OF AGRIBUSINESS SCIENCES - Articles
The transformation of agricultural counseling to the management of innovation in order to strengthen food security in the Kabupaten Dairi
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