Widodo AY, Sumiati, Tarigan R. Suplementasi Bacillus subtilis terhadap Produktivitas Ayam Petelur Skala Komersial: Supplementation of Bacillus subtilis to Productivity of Laying Hens on a Commercial Scale. JINTP [Internet]. 2023Dec.31 [cited 2024May13];21(3):201-7. Available from: https://journal.ipb.ac.id/index.php/jurnalintp/article/view/51329