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    • Analisis Permintaan dan Penawaran Kentang Di Provinsi Sumatra Utara 

      Sipayung, Boanerges Putra (2015)
      BOANERGES P SIPAYUNG. Analysis determine the factor that influence the demand and supply of potatoes in North of Sumatra. Supervised by Prof. Kelin Tarigan, MS as a chairman and Dr.Ir. Rahmanta Ginting, M.Si as a member. The ...