DIKA ADI NUGROHO; RAHMA HAYATI. Persebaran Komoditas Kopi Arabika dan Robusta di Kawasan Lereng Gunung Ungaran, Desa Ngesrepbalong . Mutiara : Jurnal Penelitian dan Karya Ilmiah, [S. l.], v. 4, n. 3, p. 239–259, 2026. DOI: 10.59059/mutiara.v4i3.3249. Disponível em: https://journal.staiypiqbaubau.ac.id/index.php/Mutiara/article/view/3249. Acesso em: 2 sep. 2026.