Evaluation of Mineral Composition, Physical Properties, and Nutritional Value of Local Rock Flours as Feed Supplements for Laying QuailsKhalil Khalil, Dwi Anata, Ridho Kurniawan Rusli, Andri Andri and Yan HeryandiBIO Web Conf., 189 (2025) 01007DOI: https://doi.org/10.1051/bioconf/202518901007