Harianto, Harianto, Nunung Kusnadi, and Layyinatul Kholiqoh. “Premia and Discount of Rice Characteristics: The Case of Retail Market in Bogor-Indonesia”. Jurnal Manajemen & Agribisnis 16, no. 2 (July 27, 2019): 133. Accessed July 2, 2020. http://jagb.journal.ipb.ac.id/index.php/jmagr/article/view/27092.