Barus, R., Nasution, H. F. and Jufri, M. (2026) “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(2), pp. 524-541. doi: 10.30598/baileofisipvol3iss2pp524-541.