SOEMARJONO, E. Strategi Pengembangan Kopi Robusta Rakyat Di Kabupaten Bondowoso. FORAGRI : Jurnal Ilmu Pertanian, [S. l.], v. 1, n. 1, p. 37–49, 2021. Disponível em: https://journal.unibo.ac.id/index.php/foragri/article/view/17. Acesso em: 15 feb. 2026.