FIRMANSYAH, Idham; GUNAWAN, Cakti Indra; DYANASARI. Comparison Of The Robusta Coffee Trade Value Chain In The Pakel And Kenongo Village Farmer Groups, Gucialit Sub-District, Lumajang Regency . IRDH International Journal of Technology, Agriculture and Natural Sciences, [S. l.], v. 2, n. 2, p. 85–96, 2025. DOI: 10.64515/irdhijtans.v2i2.807. Disponível em: https://irdhjournals.com/ijtans/article/view/807. Acesso em: 17 apr. 2026.