Saragi, Cyprianus PH., and Palentina Pia Sinaga. “Estimasi Fungsi Permintaan Dan Elastisitas Permintaan Beras Di Kota Medan”. Jurnal Agriust 1, no. 1 (December 13, 2020): 1–4. Accessed November 23, 2024. https://ejournal.ust.ac.id/index.php/AGRIUST/article/view/1020.