YUSNADI, Alja; PAMBUDY, Rachmat; KRISNAMURTHI, Bayu; ETRIYA, Etriya. Sustainable Certification Implementation and Its Economic Value in Gayo Coffee Farming. Jurnal Ilmu Pertanian Indonesia, [S. l.], v. 31, n. 3, p. 543–552, 2026. DOI: 10.18343/jipi.31.3.543. Disponível em: https://journal.ipb.ac.id/JIPI/article/view/69667. Acesso em: 5 jun. 2026.