Barus, Riantri, Hilda Fitrah Nasution, and M. Jufri. “When Certification Matters More Than Productivity: Geographical Indications and the Social Construction of Coffee Prices Among Smallholder Farmers in Rural Indonesia”. Baileo: Jurnal Sosial Humaniora 3, no. 2 (January 29, 2026): 524-541. Accessed February 3, 2026. https://ojs3.unpatti.ac.id/index.php/baileofisip/article/view/24229.