SAFITRI, Dian; SANTOSO, Siswanto Imam; NURFADILLAH, Suryani. Analisis Efisiensi Pemasaran Kopi Robusta. Jurnal Litbang: Media Informasi, Penelitian, Pengembangan dan Iptek, [S. l.], v. 21, n. 2, p. 103–118, 2025. Disponível em: https://ejurnal-litbang.patikab.go.id/index.php/jl/article/view/11. Acesso em: 12 aug. 2026.