Suplementasi Bacillus subtilis terhadap Produktivitas Ayam Petelur Skala Komersial: Supplementation of Bacillus subtilis to Productivity of Laying Hens on a Commercial Scale. JINTP [Internet]. 2023 Dec. 31 [cited 2025 Dec. 23];21(3):201-7. Available from: https://journal.ipb.ac.id/jurnalintp/article/view/51329