Nainggolan, Mai Fernando, Cyprianus PH. Saragi, and Maryanti Sitohang. “Model Penetapan Harga Beras Di Pasar Tradisional”. Jurnal Agriust 2, no. 1 (December 7, 2021): 13–16. Accessed July 22, 2024. https://ejournal.ust.ac.id/index.php/AGRIUST/article/view/1787.