Khasana, Nanda Putri Insan, Miwing Nurul W, and Annisa Khumaira. 2021. “The Effect of Adding Casein Hydrolysate As a Protein Source in the Culture of the Bacteria Paenibacillus Polymyxa at Wilker Office of Food and Horticultural Plants Protection (PTPH) Bojonegoro”. International Journal of Health Science and Technology 3 (2):155-63. https://doi.org/10.31101/ijhst.v3i1.2244.