D. Prayogo, R. Murniati, and C. Likitaporn, “Identification of Mineral Zircon (ZrSiO4) Rare Earth Metal (REM) As Smart Material For Electric Tactical Motor Bike Battery”, App.Sci.Def, vol. 2, no. 1, pp. 29–36, Apr. 2024, doi: 10.58524/app.sci.def.v2i1.333.