“Synthesis and Characteristics of CaCO3 from Kepah Clam Shells (Polymesoda Erosa) As Anode Doping of Lithium-Ion Batteries”. Jurnal Riset Fisika Indonesia, vol. 3, no. 1, Dec. 2022, pp. 19-24, https://doi.org/10.33019/jrfi.v3i1.3548.