IPB University Scientific Repository collects, disseminates, and provides persistent and reliable access to the research and scholarship of faculty, staff, and students at IPB University
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Analisis efisiensi penggunaan faktor-faktor produksi dan pendapatan usahatani kentang di Desa Raya, Kecamatan Berastagi, Kabupaten Tanah Karo, Propinsi Sumatera Utara
