Enhancing the utility of freshwater mussel (Pilsbryoconcha sp.) Shell waste as an abrasive substance in toothpasteSanthy Wisuda Sidauruk, Tjipto Leksono, Rizky Febriansyah Siregar, Noor Ira Sari and Stephanie OktaviaBIO Web Conf., 136 (2024) 02004DOI: https://doi.org/10.1051/bioconf/202413602004