“The UJI EFIKASI BIOFUNGISIDA BAHAN AKTIF Streptomyces Sp DAN Geobacillus Sp. TERHADAP INTENSITAS PENYAKIT BERCAK UNGU PADA BAWANG MERAH (Allium Ascalonicum L): Shallot , Biofungicide, Streptomyces, Geobacillus , Alternaria Porri”. VIABEL: Jurnal Ilmiah Ilmu-Ilmu Pertanian 16, no. 2 (November 27, 2022): 89–100. Accessed January 10, 2026. https://ejournal.unisbablitar.ac.id/index.php/viabel/article/view/2138.