Darwanto, Dwidjono Hadi, Unipdu (Universitas Pesantren Tinggi Darul 'Ulum), Indonesia

• Prosiding Seminas Competitive Advantage Vol. 1 No. 2 (2012): Seminas Competitive Advantage II - Prosiding Pertanian
  Pendugaan Model Permintaan Ubi Kayu Di Indonesia
  Abstract  PDF