Ibrahim Purawiardi, and Etty Marti Wigayati. “FORMATION OF SPINEL STRUCTURE IN SYNTHESIS PROCESS OF Li1.37Mn2O4 USING HYDROTHERMAL METHOD”. Jurnal Sains Materi Indonesia, vol. 20, no. 1, Oct. 2018, pp. 15-20, doi:10.17146/jsmi.2018.20.1.5405.