ELASTISITAS PERMINTAAN BERAS DI KOTA MEDAN. Humantech : Jurnal Ilmiah Multidisiplin Indonesia, [S. l.], v. 2, n. 8, 2023. Disponível em: https://journal.ikopin.ac.id/index.php/humantech/article/view/1850-1858. Acesso em: 26 oct. 2026.