ANALISIS KELAYAKAN USAHA BUDIDAYA APEL (STUDI KASUS DI DESA BUMI AJI KECAMATAN BUMI AJI KOTA BATU. VIABEL: Jurnal Ilmiah Ilmu-Ilmu Pertanian, [S. l.], v. 12, n. 1, p. 1–8, 2018. DOI: 10.35457/viabel.v12i1.420. Disponível em: https://ejournal.unisbablitar.ac.id/index.php/viabel/article/view/420. Acesso em: 18 feb. 2026.